ARM: dts: i.MX53: fix apparent bug in VPU clks

commit fa97d2f7 upstream.

The VPU on i.MX53 has two distinct clocks for register access and
internal function.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Fixes: fbf970f6 ("ARM: dts: mx53qsb: Enable VPU support")
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
[ kamal: backport to 3.13-stable: no imx5-clock.h so fixed hardcoded value ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

arch/arm/boot/dts/imx53.dtsi

@@ -1111,7 +1111,7 @@ vpu: vpu@63ff4000 {
 				compatible = "fsl,imx53-vpu";
 				reg = <0x63ff4000 0x1000>;
 				interrupts = <9>;
-				clocks = <&clks 63>, <&clks 63>;
+				clocks = <&clks 64>, <&clks 63>;
 				clock-names = "per", "ahb";
 				iram = <&ocram>;
 				status = "disabled";