Xe KMD renamed XE_PERF to XE_OBSERVATION to better match with Intel
specification and avoid confusion.
This uAPI rename will land in the same kernel version that added
the uAPI being renamed.
There is no uAPI change, just renames.
Sync xe_drm.h with 63347fe031e3 ("drm/xe/uapi: Rename xe perf layer as xe observation layer").
Acked-by: Caio Oliveira <caio.oliveira@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30027>
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