mb/google/hatch: Initialize FPMCU_PCH_BOOT1

FPMCU_PCH_BOOT1 pin is connected to GPP_C12. So, config GPP_C12.

BUG=b:142188003
TEST=emerge-hatch coreboot

Change-Id: I73a5c3529330ef3e72f4c7d5fcbbd2f6693494d8
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35845
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/hatch/variants/dratini/gpio.c

@@ -31,6 +31,8 @@ static const struct pad_config gpio_table[] = {
 	PAD_NC(GPP_A18, NONE),
 	/* A19 : NC */
 	PAD_NC(GPP_A19, NONE),
+	/* C12 : FPMCU_PCH_BOOT1 */
+	PAD_CFG_GPO(GPP_C12, 0, DEEP),
 	/* C15 : NC */
 	PAD_NC(GPP_C15, NONE),
 	/* F1  : NC */