board/rddanielxlr: add support for rd-daniel config-xlr platform

RD-Daniel Config-XLR platform has four identical chips connected via a
high speed coherent CCIX link. Each chip has four Neoverse cores
connected via coherent CMN interconnect.

Change-Id: I37d1b91f2b6ba08f61c64d0288bc16a429836c08
Signed-off-by: Aditya Angadi <aditya.angadi@arm.com>
diff --git a/plat/arm/board/rddanielxlr/rddanielxlr_security.c b/plat/arm/board/rddanielxlr/rddanielxlr_security.c
new file mode 100644
index 0000000..541f800
--- /dev/null
+++ b/plat/arm/board/rddanielxlr/rddanielxlr_security.c
@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Initialize the secure environment */
+void plat_arm_security_setup(void)
+{
+}