ARM: ux500: add SCU and WD to device tree

The Ux500 like other Cortex-A9 SoC's has a Snoop Control
Unit (SCU) and a Watchdog in the same address range as
the local timers. Add these to the SoC device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/ste-dbx5x0.dtsi

@@ -185,6 +185,11 @@ intc: interrupt-controller@a0411000 {
 			      <0xa0410100 0x100>;
 		};
 
+		scu@a04100000 {
+			compatible = "arm,cortex-a9-scu";
+			reg = <0xa0410000 0x100>;
+		};
+
 		L2: l2-cache {
 			compatible = "arm,pl310-cache";
 			reg = <0xa0412000 0x1000>;
@@ -245,6 +250,13 @@ timer@a0410600 {
 			clocks = <&smp_twd_clk>;
 		};
 
+		watchdog@a0410620 {
+			compatible = "arm,cortex-a9-twd-wdt";
+			reg = <0xa0410620 0x20>;
+			interrupts = <1 14 0x304>;
+			clocks = <&smp_twd_clk>;
+		};
+
 		rtc@80154000 {
 			compatible = "arm,rtc-pl031", "arm,primecell";
 			reg = <0x80154000 0x1000>;