When entering S3, zork shuts down the i2c controllers to save power.
On resume, we need to re-enable i2c before accessing them, so we need
to map the AOAC registers in verstage.
BUG=b:160834101
TEST=psp_verstage works after resume.
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: Ia8aa4923898a50f2202b6ca8434cee61a5918e91
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43333
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>