vc4: Add support for laying out MSAA resources.
vc4: Add support for laying out MSAA resources.

For MSAA, we store full resolution tile buffer contents, which have their
own tiling format.  Since they're full resolution buffers, we have to
align their size to full tiles.

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler