media: uvcvideo: Add mapping for HEVC payloads

Add HEVC GUID and assotiate with HEVC pixel format so that frame
based format descriptors recognized by the UVC video driver.

Signed-off-by: Dmitry Buzdyk <dima.buzdyk@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>