Driver implements TCPC for ANX7447 chip. Enable Type C
port for USB and DP alt mode.
BUG=b:73793947
BRANCH=NONE
TEST=tested compiled binary for pdeval-stm32f072 board with this patch.
Power contract establishment, port role swap, DP alt mode works fine.
Change-Id: Ic11e499fc5fb4aba7732c75e4cb2fee54828c616
Reviewed-on: https://chromium-review.googlesource.com/956790
Commit-Ready: Scott Collyer <scollyer@chromium.org>
Tested-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Scott Collyer <scollyer@chromium.org>