ARM: dts: imx: add imx5x usb clock DT lookups

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 7ffeeed..45a1302 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -167,6 +167,7 @@
 				compatible = "fsl,imx53-usb", "fsl,imx27-usb";
 				reg = <0x53f80000 0x0200>;
 				interrupts = <18>;
+				clocks = <&clks 108>;
 				fsl,usbmisc = <&usbmisc 0>;
 				status = "disabled";
 			};
@@ -175,6 +176,7 @@
 				compatible = "fsl,imx53-usb", "fsl,imx27-usb";
 				reg = <0x53f80200 0x0200>;
 				interrupts = <14>;
+				clocks = <&clks 108>;
 				fsl,usbmisc = <&usbmisc 1>;
 				status = "disabled";
 			};
@@ -183,6 +185,7 @@
 				compatible = "fsl,imx53-usb", "fsl,imx27-usb";
 				reg = <0x53f80400 0x0200>;
 				interrupts = <16>;
+				clocks = <&clks 108>;
 				fsl,usbmisc = <&usbmisc 2>;
 				status = "disabled";
 			};
@@ -191,6 +194,7 @@
 				compatible = "fsl,imx53-usb", "fsl,imx27-usb";
 				reg = <0x53f80600 0x0200>;
 				interrupts = <17>;
+				clocks = <&clks 108>;
 				fsl,usbmisc = <&usbmisc 3>;
 				status = "disabled";
 			};
@@ -199,6 +203,7 @@
 				#index-cells = <1>;
 				compatible = "fsl,imx53-usbmisc";
 				reg = <0x53f80800 0x200>;
+				clocks = <&clks 108>;
 			};
 
 			gpio1: gpio@53f84000 {