usb: misc: Add driver to support I2C mode on NXP5150

NXP5150 is a CC logic chipset that detects CC
orientation and also detects the connect and
disconnect of cable.
Add driver to read the status of the cable using
I2C programmability of the NXP5150 chipset and
update the USB driver the same over the extcon
framework.

Change-Id: I6d9eade85ada734948a6ec30d02408e3965ac404
Signed-off-by: Sriharsha Allenki <sallenki@codeaurora.org>