intel/kunimitsu: port the change from glados for correctly reading lid

switch and SPI write protect for fill_lb_gpios() to coreboot table.

BUG=chrome-os-partner:43707
BRANCH=none
TEST=build and boot on kunimits
Signed-off-by: robbie zhang <robbie.zhang@intel.com>

Change-Id: I82cd3f74d0ac26e369ee4274b2c65f4f93c1fd3b
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: 804a8a60951321e1b5b1d7ddacb97ddbe0cd7680
Original-Change-Id: I31ed6c0e48089b84ef9d52753484253a091d5aa5
Original-Reviewed-on: https://chromium-review.googlesource.com/295580
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Wenkai Du <wenkai.du@intel.com>
Original-Tested-by: Wenkai Du <wenkai.du@intel.com>
Reviewed-on: http://review.coreboot.org/11436
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/intel/kunimitsu/chromeos.c

@@ -23,6 +23,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <ec/google/chromeec/ec.h>
+#include <gpio.h>
 #include <soc/gpio.h>
 #include <string.h>
 #include <vendorcode/google/chromeos/chromeos.h>
@@ -57,13 +58,13 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 
 int get_lid_switch(void)
 {
-	/* Default to force open */
-	return 1;
+	/* Read lid switch state from the EC. */
+	return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
 }
 
-/* The dev-switch is virtual */
 int get_developer_mode_switch(void)
 {
+	/* No physical developer mode switch. */
 	return 0;
 }
 
@@ -87,5 +88,6 @@ int clear_recovery_mode_switch(void)
 
 int get_write_protect_state(void)
 {
-	return 0;
+	/* Read PCH_WP GPIO. */
+	return gpio_get(GPIO_PCH_WP);
 }