ARM: dts: mmp3: Fix /soc/watchdog node name

There's a typo there that rightfully upsets DTS:

  <stdout>: Warning (simple_bus_reg): /soc/watchdog@2c000620: simple-bus
  unit address format error, expected "e0000620"

Link: https://lore.kernel.org/r/20191031163455.1711872-3-lkundrak@v3.skSigned-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/mmp3.dtsi

@@ -517,7 +517,7 @@ local-timer@e0000600 {
 			reg = <0xe0000600 0x20>;
 		};
 
-		watchdog@2c000620 {
+		watchdog@e0000620 {
 			compatible = "arm,arm11mp-twd-wdt";
 			reg = <0xe0000620 0x20>;
 			interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |