usb: typec: driver for TI TPS6598x USB Power Delivery controllers

Driver for TI TPS65982, TPS65983 and other TPS6598x family
stand alone USB Power Delivery controllers.

The driver will at this stage only register the port and
partners attached to it, so cables and alternate modes are
not yet registered. Both power and data role swapping is
supported.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>