google/gru: Correct the Sdcard control gpio setting for Scarlet

in Scarlet the Sdcard control gpio differs from other
board variants, So set the GPIO to high on Scarlet.

Change-Id: I5fa19b212a716213462eea58b6242392d32a2c5c
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://review.coreboot.org/20803
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
1 file changed