anv: add missing pipeline instance multiplier
What does this MR do and why?
anv: add missing pipeline instance multiplier
Fix zink/anv tests : dEQP-GLES3.functional.fbo.multiview.samples_*
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Closes: #11911 (closed)
Edited by Lionel Landwerlin