mb/google/brya/var/agah: Explicitly program GPP_H13 in ramstage

In order that GPP_H13 not use the GPIO override programming from its
baseboard (brya), explicitly program GPP_H13 to a output HIGH instead
of relying on the 20K pullup from the baseboard.

BUG=b:240617195
TEST=SSD still functional

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Iddedebe2d5cfc0123932b14980d1268bcb147703
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67766
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tarun Tuli <taruntuli@google.com>

src/mainboard/google/brya/variants/agah/gpio.c

@@ -131,6 +131,8 @@ static const struct pad_config override_gpio_table[] = {
 	PAD_NC(GPP_H8, NONE),
 	/* H9  : I2C4_SCL ==> NC */
 	PAD_NC(GPP_H9, NONE),
+	/* H13 : I2C7_SCL ==> EN_PP3300_SD */
+	PAD_CFG_GPO(GPP_H13, 1, DEEP),
 	/* H19 : SRCCLKREQ4# ==> LAN_CLKREQ_ODL */
 	PAD_CFG_NF(GPP_H19, NONE, DEEP, NF1),
 	/* H21 : IMGCLKOUT2 ==> NC */