mb/google/guybrush: Use register and bit defines for eSPI setup

It's hard to understand what this code is doing because it uses hard
coded values, so use the register and bit defines instead.

BUG=none
TEST=Timeless build for guybrush results in identical binary.

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I2d74ed3b9b4984ab1e2a22c50375baf9c9589df0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions