Elm is an oak variant that uses ANX7688 PD port controller. This CL sets
PD port count to 1 and modifies TCPC I2C address to 0x50.
Other elm changes are included in this change:
- add 2 KX022 motion sensors, remove BMI160
- remove ALS
- LED configuration changed to 2 bi-color LEDs
- remove pi3usb30532
- add ANX7688 mux driver
- change PD interrupt polarity
BRANCH=none
BUG=none
TEST=manual
make BOARD=elm -j
load and test on elm proto
Signed-off-by: Rong Chang <rongchang@chromium.org>
Change-Id: I8ad02da9acade985bc0e7e2f85d9e58db7e6b38d
Reviewed-on: https://chromium-review.googlesource.com/331453
Reviewed-by: Shawn N <shawnn@chromium.org>
