nxp: platform files for bl2 and bl31 setup

For NXP platforms:
- Setup files for BL2 and BL31
- Other supporting files.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I36a1183a0652701bdede9e02d41eb976accbb017
diff --git a/plat/nxp/common/setup/include/plat_macros.S b/plat/nxp/common/setup/include/plat_macros.S
new file mode 100644
index 0000000..69a3b08
--- /dev/null
+++ b/plat/nxp/common/setup/include/plat_macros.S
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+	/* ---------------------------------------------
+	 * The below required platform porting macro
+	 * prints out relevant GIC and CCI registers
+	 * whenever an unhandled exception is taken in
+	 * BL31.
+	 * Clobbers: x0 - x10, x16, x17, sp
+	 * ---------------------------------------------
+	 */
+	.macro plat_crash_print_regs
+	.endm
+
+#endif /* PLAT_MACROS_S */