mb/google/mancomb: Configure early GPIOs in earliest stage

Configure early GPIOs in verstage if it is run in PSP otherwise
configure them in bootblock.

BUG=b:182211161
TEST=builds

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Ic1faeea59462319c1652c69034b4dde01669e13b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51493
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Mathew King <mathewk@chromium.org>

src/mainboard/google/mancomb/bootblock.c

@@ -7,6 +7,9 @@ void bootblock_mainboard_early_init(void)
 {
 	size_t num_gpios;
 	const struct soc_amd_gpio *gpios;
-	gpios = variant_bootblock_gpio_table(&num_gpios);
-	program_gpios(gpios, num_gpios);
+
+	if (!CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK)) {
+		gpios = variant_early_gpio_table(&num_gpios);
+		program_gpios(gpios, num_gpios);
+	}
 }