gpu/intel: Allow to select a different metric set

Allow to use any metric set exposed by the driver, only one metric set can
be selected at a time so don't allow to mix the counters from different sets.

Keep the sane default to RenderBasic when "all counters" are requested.

Signed-off-by: Corentin Noël <corentin.noel@collabora.com>
Reviewed-by: Antonio Caggiano <antonio.caggiano@collabora.com>
3 jobs for wip/tintou/intel-metric-sets in 2 minutes and 7 seconds (queued for 1 second)
Status Job ID Name Coverage
  Check
passed #7906671
clang-format

00:00:09

 
  Build
passed #7906673
aarch64
aarch64

00:01:57

passed #7906672
kvm
x86_64

00:01:23