mb/google/zork/var/shuboz: Adjust GPIO settings

1. GPIO_4 to NC

BUG=b:179333669
BRANCH=zork
TEST=emerge-zork coreboot

Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com>
Change-Id: I4342b2beb7fc755bee47ee4fad0023d7a6592c4b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50277
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/zork/variants/shuboz/gpio.c

@@ -7,6 +7,8 @@
 #include <ec/google/chromeec/ec.h>
 
 static const struct soc_amd_gpio bid_gpio_set_stage_ram[] = {
+	/* PEN_DETECT_ODL - Not connected */
+	PAD_NC(GPIO_4),
 	/* AGPIO_5 - NC */
 	PAD_NC(GPIO_5),
 	/* EGPIO141 - NC */