ARM: dts: rmobile: Update DTS to match Linux 4.13

Import the RCar Gen3 DTS and headers from upstream Linux kernel v4.13,
commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 . This includes both M3
and H3 ULCB and Salvator-X boards.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/dts/salvator-x.dtsi b/arch/arm/dts/salvator-x.dtsi
new file mode 100644
index 0000000..468868c
--- /dev/null
+++ b/arch/arm/dts/salvator-x.dtsi
@@ -0,0 +1,30 @@
+/*
+ * Device Tree Source for the Salvator-X board
+ *
+ * Copyright (C) 2015-2016 Renesas Electronics Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "salvator-common.dtsi"
+
+/ {
+	model = "Renesas Salvator-X board";
+	compatible = "renesas,salvator-x";
+};
+
+&extal_clk {
+	clock-frequency = <16666666>;
+};
+
+&i2c4 {
+	versaclock5: clock-generator@6a {
+		compatible = "idt,5p49v5923";
+		reg = <0x6a>;
+		#clock-cells = <1>;
+		clocks = <&x23_clk>;
+		clock-names = "xin";
+	};
+};