drm/i915/selftests: Fix active retire callback alignment

__i915_active_call annotation is required on the retire callback to ensure
correct function alignment.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210429083530.849546-2-tvrtko.ursulin@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

drivers/gpu/drm/i915/gt/selftest_engine_heartbeat.c

@@ -63,7 +63,7 @@ static void pulse_put(struct pulse *p)
 	kref_put(&p->kref, pulse_free);
 }
 
-static void pulse_retire(struct i915_active *active)
+__i915_active_call static void pulse_retire(struct i915_active *active)
 {
 	pulse_put(container_of(active, struct pulse, active));
 }

drivers/gpu/drm/i915/selftests/i915_active.c

@@ -51,7 +51,7 @@ static int __live_active(struct i915_active *base)
 	return 0;
 }
 
-static void __live_retire(struct i915_active *base)
+__i915_active_call static void __live_retire(struct i915_active *base)
 {
 	struct live_active *active = container_of(base, typeof(*active), base);