An API is added to get SSFC value from cros EC.
BUG=b:174118027
BRANCH=octopus
TEST=check SSFC value from EC is correct compared to value in CBI
Change-Id: Ifd521514bbc2e90c789f3760b72e8326e614e2b1
Signed-off-by: Marco Chen <marcochen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jett Rink <jettrink@google.com>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>