Change in coreboot[master]: mb/google/corsola: implement get_ec_is_trusted

[Rex-BC Chen (Code Review)]

Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59942 )

Change subject: mb/google/corsola: implement get_ec_is_trusted
......................................................................

mb/google/corsola: implement get_ec_is_trusted

Set VB2_CONTEXT_EC_TRUSTED in verstage_main.

TEST=build pass
BUG=b:202871018

Signed-off-by: Rex-BC Chen 
Change-Id: If2837f5db52f91f5418d222d4dcd1af2aebcc105
---
M src/mainboard/google/corsola/chromeos.c
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/42/59942/1

diff --git a/src/mainboard/google/corsola/chromeos.c b/src/mainboard/google/corsola/chromeos.c
index 63c3f4c..84023b7 100644
--- a/src/mainboard/google/corsola/chromeos.c
+++ b/src/mainboard/google/corsola/chromeos.c
@@ -26,3 +26,9 @@
    };
    lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
 }
+
+int get_ec_is_trusted(void)
+{
+	/* EC is trusted if not in RW. This is active low. */
+	return !!gpio_get(GPIO_EC_IN_RW);
+}