freedreno/a4xx: formats update
freedreno/a4xx: formats update

Fixes glamor, which wants to use R8 integer textures.

Signed-off-by: Rob Clark <6f78cdb10adbe0a7fbbf4098125a51f401c77a5f@freedesktop.org>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler