mb/google/rex: Set WWAN_RF_DISABLE_ODL to NC

This signal isn't functionally being used and is causing leakage
during suspend.  Set it to NC.

BUG=b:279762779
TEST=builds. WWAN functional.

Change-Id: I93f2b0a781e250678280b57e4ab1d80ef27ff460
Signed-off-by: Tarun Tuli <taruntuli@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75053
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
diff --git a/src/mainboard/google/rex/variants/rex0/gpio.c b/src/mainboard/google/rex/variants/rex0/gpio.c
index 71e9959..8e45149 100644
--- a/src/mainboard/google/rex/variants/rex0/gpio.c
+++ b/src/mainboard/google/rex/variants/rex0/gpio.c
@@ -29,7 +29,7 @@
 	/* GPP_A13 : [] ==> SD_PE_LS_PRSNT_L */
 	PAD_CFG_GPI_LOCK(GPP_A13, NONE, LOCK_CONFIG),
 	/* GPP_A14 : [] ==> WWAN_RF_DISABLE_ODL */
-	PAD_CFG_GPO(GPP_A14, 1, DEEP),
+	PAD_NC_LOCK(GPP_A14, NONE, LOCK_CONFIG),
 	/* GPP_A15 : [] ==> WWAN_RST_L */
 	PAD_CFG_GPO(GPP_A15, 1, DEEP),
 	/* GPP_A16 : GPP_A16 ==> ESPI_SOC_ALERT_L configured on reset, do not touch */