platform/chrome: cros_ec: Import Type C control command

platform/chrome: cros_ec: Import Type C control command

This command is used to communicate with the Chrome Embedded Controller
(EC) regarding USB Type C events and state.

These header updates are included in the latest Chrome OS EC headers [1]

[1]
https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/main/include/ec_commands.h

Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20210203021539.745239-1-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>