Update the chromeec driver to use the EC host command API. Large blocks
of repetitive code to set up EC calls are replaced with single function
calls to perform the same operation.
BUG=b:258126464
BRANCH=none
TEST=booted on rex
Change-Id: I0317405b1ed0c58568078133c17c8cfbc7c21d80
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73325
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
beaa8f895d