ARM: mstar: Link cpupll to second core

The second core also sources it's clock from the CPU PLL.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Reviewed-by: Romain Perier <romain.perier@gmail.com>

arch/arm/boot/dts/mstar-infinity2m.dtsi

@@ -11,6 +11,8 @@
 		device_type = "cpu";
 		compatible = "arm,cortex-a7";
 		reg = <0x1>;
+		clocks = <&cpupll>;
+		clock-names = "cpuclk";
 	};
 };