panfrost: free last_read/write tables in mir_create_dependency_graph

Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

src/panfrost/midgard/midgard_schedule.c

@@ -165,6 +165,9 @@ mir_create_dependency_graph(midgard_instruction **instructions, unsigned count,
                 util_dynarray_fini(&last_read[i]);
                 util_dynarray_fini(&last_write[i]);
         }
+
+        free(last_read);
+        free(last_write);
 }
 
 /* Does the mask cover more than a scalar? */