mb/google/guybrush: Enable PP5000_PEN

Everybody wants a stylish stylus. Enable the power system to it.

BUG=b:186267293
TEST=connect multimeter to PP5000_PEN and see it go from 0 to 1. MAGIC!

Signed-off-by: Eric Peers <epeers@google.com>
Change-Id: I11d05c118ec9451d26136c320f3650c489e02c59
Reviewed-on: https://review.coreboot.org/c/coreboot/+/53943
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Martin Roth <martinroth@google.com>

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

@@ -19,7 +19,7 @@ static const struct soc_amd_gpio base_gpio_table[] = {
 	/* SOC_PEN_DETECT_ODL */
 	PAD_WAKE(GPIO_4, PULL_NONE, EDGE_HIGH, S0i3),
 	/* EN_PP5000_PEN */
-	PAD_GPO(GPIO_5, LOW),
+	PAD_GPO(GPIO_5, HIGH),
 	/* EN_PP3300_WLAN */
 	PAD_GPO(GPIO_6, HIGH),
 	/* EN_PP3300_TCHPAD */