anv: use weak_ref mode for global pipeline caches
What does this MR do and why?
anv: use weak_ref mode for global pipeline caches
So that as soon as pipelines are freed, they're removed from the
cache.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Closes: #11185 (closed)
Edited by Lionel Landwerlin