rockchip: Add ABGR8888 format.

Chromium expects this format to be supported for import of
foreign buffers.

BUG=chromium:541558
TEST=chromium glimage tests pass

Change-Id: I7ff2f53ef31fc491699f7ad9aea34b3e63289690
Reviewed-on: https://chromium-review.googlesource.com/312591
Commit-Ready: David Reveman <reveman@chromium.org>
Tested-by: David Reveman <reveman@chromium.org>
Reviewed-by: St├ęphane Marchesin <marcheu@chromium.org>
1 file changed