Allow running of a custom script after factory reset

Change-Id: I33e6d72bf93103052551f33da51ba4af9a5f88c9
diff --git a/partitionmanager.cpp b/partitionmanager.cpp
index 4ba8053..031cca0 100644
--- a/partitionmanager.cpp
+++ b/partitionmanager.cpp
@@ -1187,6 +1187,7 @@
 				ret = false;
 		}
 	}
+	TWFunc::check_and_run_script("/sbin/factoryreset.sh", "Factory Reset Script");
 	return ret;
 }