disable unconnected FCH clock outputs to save some power Change-Id: Ib3efebb8656392d58d762c23827168017d273de8 Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-on: http://review.coreboot.org/12082 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>