google/oak: Implement the code which reads GPIOs for ChromeOS.

BUG=none
BRANCH=none
TEST=emerge-oak corebootk

Change-Id: Ic1a0d640cac7fd98acd06d619736303fa449c0a1
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: ce465e8cbdf6465c072e476a91a400d78c959218
Original-Change-Id: Iade51db02f45264fdffe387e0563b60e637c0710
Original-Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292674
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12606
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/mainboard/google/oak/bootblock.c b/src/mainboard/google/oak/bootblock.c
index 38a777c..e82ad6e 100644
--- a/src/mainboard/google/oak/bootblock.c
+++ b/src/mainboard/google/oak/bootblock.c
@@ -24,6 +24,8 @@
 #include <soc/pericfg.h>
 #include <soc/pinmux.h>
 
+#include "gpio.h"
+
 static void i2c_set_gpio_pinmux(void)
 {
 	gpio_set_mode(PAD_SDA1, PAD_SDA1_FUNC_SDA1);
@@ -45,4 +47,6 @@
 
 	/* set i2c related gpio */
 	i2c_set_gpio_pinmux();
+
+	setup_chromeos_gpios();
 }