It is unnecessary to look up PMIF controller by mstid in multiple
functions. Just pass `arb` to these functions in order to avoid
redundant calls to get_pmif_controller().
BUG=none
TEST=compiled
Change-Id: I907d6ff029827e4afe4f1d05e39c8dd662c7c45e
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85327
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>