isl: disable MCS compression on R9G9B9E5
What does this MR do and why?
isl: disable MCS compression on R9G9B9E5
Not supported according to the docs and will trigger an assert isl_get_render_compression_format().
Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com Cc: mesa-stable