iris: various MOCS fixes
We had missed centralizing MOCS in one place. Also, we can get rid of vtbl functions, which is always a plus. Finally, we can apparently set MOCS on constant buffers again on Tigerlake.
We had missed centralizing MOCS in one place. Also, we can get rid of vtbl functions, which is always a plus. Finally, we can apparently set MOCS on constant buffers again on Tigerlake.