mb/starlabs/starbook/adl_n: Adjust eSPI GPIO

Set the GPIO that enables eSPI to PLTRST to ensure that eSPI works
in S3.

Change-Id: I7da5cf493a676ea106ab94fcb377bc8a29b72990
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86919
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

src/mainboard/starlabs/starbook/variants/adl_n/gpio.c

@@ -157,7 +157,7 @@ const struct pad_config gpio_table[] = {
 	/* C5:		Boot Strap		Weak Internal PD 20K
 				Low:	ESPI
 				High:	Disabled			*/
-	PAD_CFG_GPO(GPP_C5, 0, DEEP),
+	PAD_CFG_GPO(GPP_C5, 0, PLTRST),
 	/* C6:		SML 1 Clock					*/
 	PAD_NC(GPP_C6, NONE),
 	/* C7:		SML 1 Data					*/