st/dri: Add support for PIPE_FORMAT_RGBX8888_UNORM

The original dri2_format_to_pipe_format function just misses case branch
for __DRI_IMAGE_FORMAT_XBGR8888. I discovered this when debugging one google
map crash inside emulator.

Bug: b/37483848
Change-Id: I0e7b6e18308f6afb90bfd9ccaadfd3c0c604b2cf
Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/540285
Reviewed-by: Chad Versace <chadversary@chromium.org>
1 file changed