platform/chrome: cros_typec_vdm: Add VDM reply support

Handle response VDMs which are sent by the partner (replying to VDMs
sent by the host system itself). These get forwarded to the altmode
driver.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20221228004648.793339-10-pmalani@chromium.org