synquacer: Fix compilation fail for SPM support build config

Fix the header file path
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
Change-Id: I73a92a3f0049ecbda7eade452405927c04048e01

plat/socionext/synquacer/include/plat.ld.S

 /*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,7 +7,7 @@
 #ifndef SYNQUACER_PLAT_LD_S__
 #define SYNQUACER_PLAT_LD_S__
 
-#include <xlat_tables_defs.h>
+#include <lib/xlat_tables/xlat_tables_defs.h>
 
 #define SPM_SHIM_EXCEPTIONS_VMA		SP_DRAM