mb/google/rex/var/ovis: Configure GPP_V12 PAD

This patch configures GPP_V12 aka SOC_SLP_LAN_L properly as per the
Ovis schematics dated June'23 to ensure LAN port is not in sleep.

BUG=b:289395519
TEST=Able to measure SLP_LAN PIN and confirm it's deasserted.

Change-Id: I1fe8715862823149c8a1f05e3e4463a615fbbbce
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76211
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/variants/ovis/gpio.c b/src/mainboard/google/rex/variants/ovis/gpio.c
index 3af1985..26e77f5 100644
--- a/src/mainboard/google/rex/variants/ovis/gpio.c
+++ b/src/mainboard/google/rex/variants/ovis/gpio.c
@@ -366,7 +366,7 @@
 	/* GPP_V11 : [] ==> SOC_GPP_V11 */
 	PAD_NC(GPP_V11, NONE),
 	/* GPP_V12 : [] ==> SOC_SLP_LAN_L */
-	PAD_CFG_NF(GPP_F17, NONE, DEEP, NF8),
+	PAD_CFG_NF(GPP_V12, NONE, DEEP, NF1),
 	/* GPP_V14 : [] ==> SOC_WAKE_L */
 	PAD_NC(GPP_V14, NONE),
 	/* GPP_V22 : [] ==> WCAM_RST_L */