misc: ksbridge: Add support for sending uevent with pid/vid

Add required support in ksbridge driver to send uevent with vendor id
and product id details.

Change-Id: I22974dfa63665e6ddcbda2f7d11c68f716c1c760
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>