soc/amd: Make espi_clear_decodes private

espi_setup already clears most of the controller registers. So this
change consolidates the clear logic into one spot.

This shouldn't result in a behavior change on Picasso. Picasso already
has the eSPI decodes clear on boot, so this change is a nop.

BUG=b:183524609
TEST=Boot guybrush to the OS

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ic57689e50febd29796d8ac8d99c81e41fee5b41c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52064
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

0 files changed, 0 insertions, 0 deletions