Similar to the prior CL (commit db8ad5e), do the same register dance
before/after GCOFF.
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I8fecba40c5a5af11e24f82db07face3ce10481bf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67086
Reviewed-by: Anil Kumar K <anil.kumar.k@intel.corp-partner.google.com>
Reviewed-by: Cliff Huang <cliff.huang@intel.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>