ARM: shmobile: r8a7791 Arch timer device tree node

Add r8a7791 arch timer device tree information.

This needs to be used together with r8a7791 support
code that ties in the R-Car Gen2 arch timer workarounds.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791.dtsi

@@ -39,6 +39,14 @@
 		interrupts = <1 9 0xf04>;
 	};
 
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <1 13 0xf08>,
+				<1 14 0xf08>,
+				<1 11 0xf08>,
+				<1 10 0xf08>;
+	};
+
 	irqc0: interrupt-controller@e61c0000 {
 		compatible = "renesas,irqc";
 		#interrupt-cells = <2>;