mb/google/poppy/variants/nocturne: deassert audio amp reset

Drive SPKR_RST_L (GPP_A19) high at boot to take audio amps out of
reset.

BUG=b:78122599
BRANCH=none
TEST="emerge-nocturne coreboot chromeos-bootimage", boot to kernel,
and verify sound works via "aplay /dev/random"

Change-Id: Ia49931f2dc7802edc8a46114b081e4a96eeee604
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/26317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
1 file changed