drm/i915: fix broken build

I guess this was missed in the conversion or something.

Fixes: 7bc80a54 ("dma-buf: add enum dma_resv_usage v4")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220407164532.1242578-1-matthew.auld@intel.com


Signed-off-by: Christian König <christian.koenig@amd.com>