Add "rockchip" to list of supported drm modules

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>

BUG=chromium:399935
TEST=On pinky:
TEST=ply-image --print-resolution
 => shows resolution
TEST=stop ui; start boot-splash
 => shows animated chrome ball

Change-Id: I030a1925c9e16c71e53f93af42c81924849d0003
Reviewed-on: https://chromium-review.googlesource.com/214300
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Commit-Queue: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
1 file changed