drm/msm: Allow CAP_PERFMON for setting SYSPROF

drm/msm: Allow CAP_PERFMON for setting SYSPROF

Use perfmon_capable() which checks both CAP_SYS_ADMIN and CAP_PERFMON.
This matches what i915 and xe do, and seems more appropriate.

Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Anna Maniscalco <anna.maniscalco2000@gmail.com>
Reviewed-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/728198/
Message-ID: <20260526145137.160554-3-robin.clark@oss.qualcomm.com>