mb/google/rex/var/karis: Remove world facing camera

According to the schematic, karis does not have a WFC.

BUG=b:294155897
TEST=emerge-rex coreboot

Change-Id: I9b4ecf2e96c77c131a60e48614d792370dd33423
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77283
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eran Mitrani <mitrani@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/rex/variants/karis/gpio.c b/src/mainboard/google/rex/variants/karis/gpio.c
index 0579bf8..cc3aeb0 100644
--- a/src/mainboard/google/rex/variants/karis/gpio.c
+++ b/src/mainboard/google/rex/variants/karis/gpio.c
@@ -101,10 +101,10 @@
 	PAD_CFG_GPO(GPP_C01, 0, DEEP),
 	/* GPP_C02 : SOC_TCHSCR_SPI_INT_STRAP ==> Component NC */
 	PAD_NC(GPP_C02, NONE),
-	/* GPP_C03 : [] ==> EN_WCAM_SENR_PWR */
-	PAD_CFG_GPO_LOCK(GPP_C03, 0, LOCK_CONFIG),
-	/* GPP_C04 : [] ==> EN_WCAM_PWR */
-	PAD_CFG_GPO_LOCK(GPP_C04, 0, LOCK_CONFIG),
+	/* GPP_C03 : [] ==> Test pad. */
+	PAD_NC(GPP_C03, NONE),
+	/* GPP_C04 : net NC. */
+	PAD_NC(GPP_C04, NONE),
 	/* GPP_C05 : [] ==> WWAN_PERST_L_STRAP */
 	PAD_CFG_GPO(GPP_C05, 1, PLTRST),
 	/* GPP_C06 : [] ==> SOC_TCHSCR_RPT_EN */
@@ -140,8 +140,8 @@
 	/* GPP_C23 : [] ==> FP_RST_ODL */
 	PAD_CFG_GPO_LOCK(GPP_C23, 1, LOCK_CONFIG),
 
-	/* GPP_D00 : WCAM_MCLK_R */
-	PAD_CFG_NF(GPP_D00, NONE, DEEP, NF1),
+	/* GPP_D00 : Not connected. */
+	PAD_NC(GPP_D00, NONE),
 	/* GPP_D01 : Not Connected */
 	PAD_NC(GPP_D01, NONE),
 	/* GPP_D04 : [] ==> EN_SPKR */
@@ -357,8 +357,8 @@
 	PAD_CFG_NF(GPP_V12, NONE, DEEP, NF1),
 	/* GPP_V14 : [] ==> SOC_WAKE_L */
 	PAD_CFG_NF(GPP_V14, NONE, DEEP, NF1),
-	/* GPP_V22 : [] ==> WCAM_RST_L */
-	PAD_CFG_GPO(GPP_V22, 0, DEEP),
+	/* GPP_V22 : NC net. */
+	PAD_NC(GPP_V22, NONE),
 	/* GPP_V23 : [] ==> UCAM_RST_L */
 	PAD_CFG_GPO(GPP_V23, 0, DEEP),
 };
diff --git a/src/mainboard/google/rex/variants/karis/overridetree.cb b/src/mainboard/google/rex/variants/karis/overridetree.cb
index aa69d6f..ae30b6a 100644
--- a/src/mainboard/google/rex/variants/karis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/karis/overridetree.cb
@@ -13,10 +13,6 @@
 		option UFC_USB			0
 		option UFC_MIPI			1
 	end
-	field WFC 8 9
-		option WFC_USB			0
-		option WFC_MIPI			1
-	end
 	field DB_USB 12 14
 		option USB_UNKNOWN		0
 		option USB3_PS8815		1
@@ -406,7 +402,6 @@
 
 				device generic 0 on
 					probe UFC UFC_MIPI
-					probe WFC WFC_MIPI
 				end
 			end
 		end
@@ -425,109 +420,6 @@
 					probe AUDIO MAX98360_ALC5682I_I2S
 				end
 			end
-			chip drivers/intel/mipi_camera
-				register "acpi_hid" = ""OVTIDB10""
-				register "acpi_uid" = "0"
-				register "acpi_name" = ""CAM0""
-				register "chip_name" = ""Ov 13b10 Camera""
-				register "device_type" = "INTEL_ACPI_CAMERA_SENSOR"
-
-				register "ssdb.lanes_used" = "4"
-				register "ssdb.link_used" = "0"
-				register "ssdb.vcm_type" = "0x0C"
-				register "vcm_name" = ""VCM0""
-				register "num_freq_entries" = "1"
-				register "link_freq[0]" = "560 * MHz" # 560 MHz
-				register "remote_name" = ""IPU0""
-				register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D3_COLD"
-
-				register "has_power_resource" = "1"
-				#Controls
-				register "clk_panel.clks[0].clknum" = "1" # IMGCLKOUT_1
-				register "clk_panel.clks[0].freq" = "1" # FREQ_19_2_MHZ
-
-				register "gpio_panel.gpio[0].gpio_num" = "GPP_C03" #EN_WCAM_SENR_PWR
-				register "gpio_panel.gpio[1].gpio_num" = "GPP_C04" #EN_WCAM_PWR
-				register "gpio_panel.gpio[2].gpio_num" = "GPP_V22" #WCAM_RST_L
-
-				#_ON
-				register "on_seq.ops_cnt" = "5"
-				register "on_seq.ops[0]" = "SEQ_OPS_CLK_ENABLE(0, 0)"
-				register "on_seq.ops[1]" = "SEQ_OPS_GPIO_ENABLE(0, 0)"
-				register "on_seq.ops[2]" = "SEQ_OPS_GPIO_ENABLE(1, 0)"
-				register "on_seq.ops[3]" = "SEQ_OPS_GPIO_DISABLE(2, 0)"
-				register "on_seq.ops[4]" = "SEQ_OPS_GPIO_ENABLE(2, 10)"
-
-				#_OFF
-				register "off_seq.ops_cnt" = "4"
-				register "off_seq.ops[0]" = "SEQ_OPS_CLK_DISABLE(0, 0)"
-				register "off_seq.ops[1]" = "SEQ_OPS_GPIO_DISABLE(2, 0)"
-				register "off_seq.ops[2]" = "SEQ_OPS_GPIO_DISABLE(1, 0)"
-				register "off_seq.ops[3]" = "SEQ_OPS_GPIO_DISABLE(0, 0)"
-
-				device i2c 36 on
-					probe WFC WFC_MIPI
-				end
-			end
-			chip drivers/intel/mipi_camera
-				register "acpi_uid" = "2"
-				register "acpi_name" = ""VCM0""
-				register "chip_name" = ""DW9714 VCM""
-				register "device_type" = "INTEL_ACPI_CAMERA_VCM"
-
-				register "vcm_compat" = ""dongwoon,dw9714""
-
-				register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D0"
-
-				register "has_power_resource" = "1"
-
-				#Controls
-				register "gpio_panel.gpio[0].gpio_num" = "GPP_C04" #EN_WCAM_PWR
-
-				#_ON
-				register "on_seq.ops_cnt" = "1"
-				register "on_seq.ops[0]" = "SEQ_OPS_GPIO_ENABLE(0, 0)"
-
-				#_OFF
-				register "off_seq.ops_cnt" = "1"
-				register "off_seq.ops[0]" = "SEQ_OPS_GPIO_DISABLE(0, 0)"
-
-				device i2c 0C on
-					probe WFC WFC_MIPI
-				end
-			end
-			chip drivers/intel/mipi_camera
-				register "acpi_uid" = "1"
-				register "acpi_name" = ""NVM0""
-				register "chip_name" = ""ST M24C64X""
-				register "device_type" = "INTEL_ACPI_CAMERA_NVM"
-
-				register "nvm_compat" = ""atmel,24c64""
-
-				register "nvm_size" = "0x2000"
-				register "nvm_pagesize" = "0x01"
-				register "nvm_readonly" = "0x01"
-				register "nvm_width" = "0x10"
-
-				register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D0"
-
-				register "has_power_resource" = "1"
-
-				#Controls
-				register "gpio_panel.gpio[0].gpio_num" = "GPP_C04" #EN_WCAM_PWR
-
-				#_ON
-				register "on_seq.ops_cnt" = "1"
-				register "on_seq.ops[0]" = "SEQ_OPS_GPIO_ENABLE(0, 0)"
-
-				#_OFF
-				register "off_seq.ops_cnt" = "1"
-				register "off_seq.ops[0]" = "SEQ_OPS_GPIO_DISABLE(0, 0)"
-
-				device i2c 50 on
-					probe WFC WFC_MIPI
-				end
-			end
 		end #I2C0
 		device ref i2c1 on
 			chip drivers/i2c/hid