usb: typec: Add driver for Thunderbolt 3 Alternate Mode

Thunderbolt 3 Alternate Mode entry flow is described in
USB Type-C Specification Release 2.0.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Co-developed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20241213153543.v5.2.I3080b036e8de0b9957c57c1c3059db7149c5e549@changeid


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