plat/arm/sgi: Add board support for SGI-Clark.Helios platform

SGI-Clark.Helios platform is similar to SGI-Clark.Ares platform.
The difference between these two platforms is the CPU type and
the number of CPUs. Add the base support for SGI-Clark.Helios platform.

Change-Id: I2b04cb3fb953907848b4fab016e3648899ca4256
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
diff --git a/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts
new file mode 100644
index 0000000..3dedf1d
--- /dev/null
+++ b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+	/* compatible string */
+	compatible = "arm,sgi-clark";
+
+	/*
+	 * Place holder for system-id node with default values. The
+	 * value of platform-id and config-id will be set to the
+	 * correct values during the BL2 stage of boot.
+	 */
+	system-id {
+		platform-id = <0x0>;
+		config-id = <0x0>;
+	};
+
+};