ARM: ux500: Add UART support to the HREF Device Tree

Here we add three nodes enabling UART support on the HREF hardware
reference board.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

arch/arm/boot/dts/hrefv60plus.dts

@@ -21,6 +21,16 @@ memory {
 	};
 
 	soc-u9500 {
+		uart@80120000 {
+			status = "okay";
+		};
 
+		uart@80121000 {
+			status = "okay";
+		};
+
+		uart@80007000 {
+			status = "okay";
+		};
 	};
 };