platform/chrome: cros_typec_switch: Set EC retimer

Invoke Chrome EC host commands to set EC-controlled retimer switches to
the state the Type-C framework instructs.

Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20220711072333.2064341-6-pmalani@chromium.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>