USB: Add OTG PET device to TPL

OTG device shall support this device for allowing compliance automated testing.
The modification is derived from Pavankumar and Vijayavardhans' previous work.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Cc: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>