google/fizz: Set GPP_C2 to NC
GPP_C2 is being used as strapping option, so
should not be set to NF. Signal was floating
previously, which can lead to an assertion of
smbalert#.
BUG=b:
37681121, b:
35775024
BRANCH=None
TEST=powerd_dbus_suspend and ensure stays in suspend
Change-Id: I68091206014621419b886b723a5681541be989bc
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://review.coreboot.org/19904
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>