mb/google/dedede: Configure EDP_HPD GPIO

This enables display for use by payload.

TEST=Build and boot the mainboard. Ensure that the screens displayed by
payload are visible.

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I5fcd70623b15ae39954242605e75b2c5ce02ff14
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39347
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/dedede/variants/baseboard/gpio.c

@@ -42,7 +42,7 @@ static const struct pad_config gpio_table[] = {
 	/* A16 : EC_AP_USB_C0_HPD */
 	PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
 	/* A17 : EDP_HPD */
-	PAD_NC(GPP_A17, NONE),
+	PAD_CFG_NF(GPP_A17, NONE, DEEP, NF1),
 	/* A18 : USB_OC0_N */
 	PAD_NC(GPP_A18, NONE),
 	/* A19 : PCHHOT_N */