drm/i915/overlay: s/dev_priv/i915/
Rename the one lingering 'dev_priv' variable to the
more modern 'i915' in the overlay code.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260226100738.29997-16-ville.syrjala@linux.intel.com