v2: Don't leak __DRI_IMAGE_FOURCC_RGBA16161616 to applications.
v3: Fix typo in __DRI_IMAGE_FOURCC_RGBA16161616 table entry.
v4: Add the Y412 and Y416 tests to the A530 expected fail list. Many
YUV image import tests fail on this platform, and nobody has been able
to investigate why.
v5: Update the comment describing the zeroed bits in Y412. Suggested by
Emma.
v6: Add all Y41x test to the rpi3 expected fail list.
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9610>