Configure GPIO pins as I2S mode for audio speaker.
The audio speaker does not work on Trogdor revision 1, as the
layout was changed.
Developer/Reviewer reference, be aware of this issue:
https://partnerissuetracker.corp.google.com/issues/146533652
Change-Id: Ia4bbfea591a3231640b53e64f0e4e9d43c4437a3
Signed-off-by: vsujithk <vsujithk@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41428
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>