ARM: dts: mmp2: add clock to the timer

The timer needs the timer clock to be enabled, otherwise it stops
ticking.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/mmp2.dtsi

@@ -130,6 +130,7 @@ timer0: timer@d4014000 {
 				compatible = "mrvl,mmp-timer";
 				reg = <0xd4014000 0x100>;
 				interrupts = <13>;
+				clocks = <&soc_clocks MMP2_CLK_TIMER>;
 			};
 
 			uart1: uart@d4030000 {