USB: android-gadget: Allow diag to update pid and serial no

PID and serial numbers need to be updated by DIAG in order
to support QPST s/w download functionality.
Since, different targets have different mechanism to
update pid and serial number, hence register android
composite device as a platform_device.

Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
1 file changed