mb/google/dedede/var/shotzo: Update GPIO GPP_S2/S3 pin definition

Based on latest schematic:

Set GPP_S2 DMIC1_CLK/ GPP_S3 DMIC1_DATA to NC.

BUG=b:235303242
BRANCH=dedede
TEST=build

Change-Id: I4044cb7ba963153e1e478294dbf960fb79b97b5c
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
diff --git a/src/mainboard/google/dedede/variants/shotzo/gpio.c b/src/mainboard/google/dedede/variants/shotzo/gpio.c
index 729f556..c5ba1d7 100644
--- a/src/mainboard/google/dedede/variants/shotzo/gpio.c
+++ b/src/mainboard/google/dedede/variants/shotzo/gpio.c
@@ -63,6 +63,11 @@
 	PAD_NC(GPP_H6, NONE),
 	/* H7  : I2C3_SCL */
 	PAD_NC(GPP_H7, NONE),
+
+	/* S2  : DMIC1_CLK */
+	PAD_NC(GPP_S2, NONE),
+	/* S3  : DMIC1_DATA */
+	PAD_NC(GPP_S3, NONE),
 };
 
 const struct pad_config *variant_override_gpio_table(size_t *num)