mb/google/rex: Update GPIO PAD as per Proto 2 schematics

BUG=b:283477280
TEST=Able to build and boot google/rex as per Proto 2 schematics
dated 05/16.

+-----------------+------------------------------------+---------------------------+--------+
|     GPIO        |  In Proto 1                        |  In Proto 2               | Impact |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_C01       |  SOC_TCHSCR_RST_L                  | SOC_TCHSCR_RST_R_L        |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_D19       |  NC                                | EC_SOC_REC_SWITCH_ODL     |  Y     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_E04       |  HPS_INT_L                         | SOC_PEN_DETECT            |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_E17       |  EN_HPS_PWR                        | EN_PP3300_SPARE_X         |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_F13       |  GSPI1_SOC_MISO                    | GSPI1_SOC_MISO_R          |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_F21       |  GPIO_F21_SPI_CS_L                 | SPI_SOC_CS_UWB_L_STRAP    |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_H00       |  GPIO_H00_SPI_CLK_R                | SPI_SOC_CLK_UWB_STRAP_R   |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_H01       |  GPIO_H01_SPI_MOSI_R               | SPI_SOC_DO_UWB_DI_STRAP_R |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_H02       |  GPIO_H02_SPI_MISO                 | SPI_SOC_DI_UWB_DO_STRAP   |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_S00       |  UNNAMED_8_METEORLAKEU_I137_GPPS00 | SDW_HP_CLK_WLAN_PCM_CLK   |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_S01       |  UNNAMED_8_METEORLAKEU_I137_GPPS01 | SDW_HP_DATA_WLAN_PCM_SYNC |  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_S02       |  UNNAMED_8_METEORLAKEU_I137_GPPS02 | DMIC_SOC_CLK0_WLAN_PCM_OUT|  N     |
+-----------------+------------------------------------+---------------------------+--------+
|   GPP_S03       |  UNNAMED_8_METEORLAKEU_I137_GPPS03 | DMIC_SOC_DATA0_WLAN_PCM_IN|  N     |
+-----------------+------------------------------------+---------------------------+--------+

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I4a8c43b0f845d3446188b7c926e482f91e5b45aa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75407
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/rex0/gpio.c b/src/mainboard/google/rex/variants/rex0/gpio.c
index 671ce97..1ebf07e 100644
--- a/src/mainboard/google/rex/variants/rex0/gpio.c
+++ b/src/mainboard/google/rex/variants/rex0/gpio.c
@@ -96,7 +96,7 @@
 
 	/* GPP_C00 : [] ==> EN_TCHSCR_PWR */
 	PAD_CFG_GPO(GPP_C00, 0, DEEP),
-	/* GPP_C01 : [] ==>  SOC_TCHSCR_RST_L */
+	/* GPP_C01 : [] ==>  SOC_TCHSCR_RST_R_L */
 	PAD_CFG_GPO(GPP_C01, 0, DEEP),
 	/* GPP_C02 : SOC_TCHSCR_SPI_INT_STRAP ==> Component NC */
 	PAD_NC(GPP_C02, NONE),
@@ -179,8 +179,8 @@
 	PAD_CFG_NF(GPP_D17, NONE, DEEP, NF2),
 	/* GPP_D18 : net NC is not present in the given design */
 	PAD_NC(GPP_D18, NONE),
-	/* GPP_D19 : net NC is not present in the given design */
-	PAD_NC(GPP_D19, NONE),
+	/* GPP_D19 : [] ==> EC_SOC_REC_SWITCH_ODL */
+	PAD_CFG_GPI_LOCK(GPP_D19, NONE, LOCK_CONFIG),
 	/* GPP_D20 : net NC is not present in the given design */
 	PAD_NC(GPP_D20, NONE),
 	/* GPP_D21 : [] ==> WLAN_CLKREQ_ODLl */
@@ -198,7 +198,7 @@
 	PAD_CFG_GPI_LOCK(GPP_E02, NONE, LOCK_CONFIG),
 	/* GPP_E03 : [] ==> GSC_SOC_INT_ODL */
 	PAD_CFG_GPI_APIC_LOCK(GPP_E03, NONE, LEVEL, INVERT, LOCK_CONFIG),
-	/* GPP_E04 : [] ==> PEN_DETECT */
+	/* GPP_E04 : [] ==> SOC_PEN_DETECT */
 	PAD_CFG_GPI_IRQ_WAKE(GPP_E04, NONE, PLTRST, LEVEL, INVERT),
 	/* GPP_E05 : [] ==> USB_A0_RT_RST_ODL */
 	PAD_CFG_GPO(GPP_E05, 1, DEEP),
@@ -224,8 +224,8 @@
 	PAD_NC(GPP_E15, NONE),
 	/* GPP_E16 : net NC.  Test pad. */
 	PAD_NC(GPP_E16, NONE),
-	/* GPP_E17 : [] ==> EN_HPS_PWR */
-	PAD_CFG_GPO(GPP_E17, 1, DEEP),
+	/* GPP_E17 : net NC is not present in the given design */
+	PAD_NC(GPP_E17, NONE),
 	/* GPP_E22 : [] ==> EN_PP3300_WLAN */
 	PAD_CFG_GPO(GPP_E22, 1, DEEP),
 
@@ -255,7 +255,7 @@
 	PAD_CFG_NF(GPP_F11, NONE, DEEP, NF5),
 	/* GPP_F12 : GSPI1_SOC_DO_FPMCU_DI_R */
 	PAD_CFG_NF(GPP_F12, NONE, DEEP, NF5),
-	/* GPP_F13 : GSPI1_SOC_DI_FPMCU_DO_LS */
+	/* GPP_F13 : GSPI1_SOC_DI_FPMCU_DO_LS_R */
 	PAD_CFG_NF(GPP_F13, NONE, DEEP, NF5),
 	/* GPP_F14 : GSPI0_SOC_DO_TCHSCR_DI */
 	PAD_CFG_NF(GPP_F14, NONE, DEEP, NF8),
@@ -271,18 +271,18 @@
 	PAD_NC(GPP_F19, NONE),
 	/* GPP_F20 : [] ==> GPP_F20_STRAP */
 	PAD_NC(GPP_F20, NONE),
-	/* GPP_F21 : [] ==> GPP_F21_STRAP */
+	/* GPP_F21 : [] ==> SPI_SOC_CS_UWB_L_STRAP */
 	PAD_NC(GPP_F21, NONE),
 	/* GPP_F22 : net NC is not present in the given design */
 	PAD_NC(GPP_F22, NONE),
 	/* GPP_F23 : net NC is not present in the given design */
 	PAD_NC(GPP_F23, NONE),
 
-	/* GPP_H00 : GPP_H00_STRAP ==> Component NC */
+	/* GPP_H00 : SPI_SOC_CLK_UWB_STRAP_R ==> Component NC */
 	PAD_NC(GPP_H00, NONE),
-	/* GPP_H01 : GPP_H01_STRAP ==> Component NC */
+	/* GPP_H01 : SPI_SOC_DO_UWB_DI_STRAP_R ==> Component NC */
 	PAD_NC(GPP_H01, NONE),
-	/* GPP_H02 : GPP_H02_STRAP ==> Component NC */
+	/* GPP_H02 : SPI_SOC_DI_UWB_DO_STRAP ==> Component NC */
 	PAD_NC(GPP_H02, NONE),
 	/* GPP_H04 : [] ==> WWAN_WLAN_COEX1 */
 	PAD_CFG_NF(GPP_H04, NONE, DEEP, NF2),
@@ -319,13 +319,13 @@
 	/* GPP_H22 : [] ==>  SOC_I2C_TCHSCR_SCL */
 	PAD_CFG_NF(GPP_H22, NONE, DEEP, NF1),
 
-	/* GPP_S00 :  [] ==> SDW_HP_CLK  */
+	/* GPP_S00 :  [] ==> SDW_HP_CLK_WLAN_PCM_CLK  */
 	PAD_CFG_NF(GPP_S00, NONE, DEEP, NF1),
-	/* GPP_S01 :  [] ==> SDW_HP_DATA */
+	/* GPP_S01 :  [] ==> SDW_HP_DATA_WLAN_PCM_SYNC */
 	PAD_CFG_NF(GPP_S01, NONE, DEEP, NF1),
-	/* GPP_S02 : [] ==> DMIC_SOC_CLK0_DB_RC */
+	/* GPP_S02 : [] ==> DMIC_SOC_CLK0_WLAN_PCM_OUT */
 	PAD_CFG_NF(GPP_S02, NONE, DEEP, NF3),
-	/* GPP_S03 : [] ==> DMIC_SOC_DATA0_DB_R */
+	/* GPP_S03 : [] ==> DMIC_SOC_DATA0_WLAN_PCM_IN */
 	PAD_CFG_NF(GPP_S03, NONE, DEEP, NF3),
 	/* GPP_S04 : [] ==> SDW_SPKR_CLK */
 	PAD_CFG_NF(GPP_S04, NONE, DEEP, NF1),