intel/perf: allow metric sets to be loaded with on OA reports

intel/perf: allow metric sets to be loaded with on OA reports

A bunch of performance counters rely on register snapshots on top of
the OA reports. Those are already conditional to the query mode in the
equations :

   availability="true $QueryMode &&"

This change allows to disable counters that are only available with
additional register snapshots. This will be useful if you only want to
OA reports to extract performance counter values.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10216>