anv: avoid companion usage on RCS
What does this MR do and why?
anv: avoid companion usage on RCS
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: e98759c7f4 ("anv: Use RCS engine for copying stencil resource for gfx125")
Probably fix a lot of stuff on DG2+