CHROMIUM: drm/udl: Port udl driver from ChromeOS 6.6 kernel with cursor plane support

BUG=b:328264482,b:328419768
UPSTREAM-TASK=b:375004557
TEST=Tested on trogdor with 6.1 kernel

Change-Id: I46a161a28a1dcdcb6c15b6e4466b8f584a8f4ea3
Signed-off-by: Łukasz Spintzyk <lukasz.spintzyk@synaptics.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5954349
Reviewed-by: Dominik Behr <dbehr@chromium.org>
7 files changed