tools headers UAPI: Sync drm/i915_drm.h with the kernel sources

tools headers UAPI: Sync drm/i915_drm.h with the kernel sources

To pick the change in:

  c70acdfbe993 ("drm/i915/perf: add new open param to configure polling of OA buffer")
  6c5f6dbae2e1 ("drm/i915/perf: introduce global sseu pinning")

That don't result in any changes in tooling, just silences this perf
build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
  diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>