feat(layerscape): add new soc errata a009660 support

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: Ice37155d971dec5c610026043e34b64f761fc1b7
diff --git a/plat/nxp/common/soc_errata/errata_list.h b/plat/nxp/common/soc_errata/errata_list.h
index ae95fa2..84325fe 100644
--- a/plat/nxp/common/soc_errata/errata_list.h
+++ b/plat/nxp/common/soc_errata/errata_list.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 NXP
+ * Copyright 2021-2022 NXP
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -17,4 +17,8 @@
 void erratum_a008850_post(void);
 #endif
 
+#ifdef ERRATA_SOC_A009660
+void erratum_a009660(void);
+#endif
+
 #endif /* ERRATA_LIST_H */