ARC: DTS: cleanup USB node names

Remove redundant '0x' from node names.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/arch/arc/dts/hsdk-common.dtsi b/arch/arc/dts/hsdk-common.dtsi
index fd4245e..3b2ae86 100644
--- a/arch/arc/dts/hsdk-common.dtsi
+++ b/arch/arc/dts/hsdk-common.dtsi
@@ -84,12 +84,12 @@
 		phy-mode = "gmii";
 	};
 
-	ehci@0xf0040000 {
+	ehci@f0040000 {
 		compatible = "generic-ehci";
 		reg = <0xf0040000 0x100>;
 	};
 
-	ohci@0xf0060000 {
+	ohci@f0060000 {
 		compatible = "generic-ohci";
 		reg = <0xf0060000 0x100>;
 	};