mainboard/google/reef: Enable audio clock and power gate

Removes S0ix blocker. Sets audio clock gate and power gate
bits when audio not in use. Reduces power in S0.

Change-Id: Id5c0adc2605480583dc90ee62a706dbfa4027c1b
Signed-off-by: Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Reviewed-on: https://review.coreboot.org/16424
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed