ARM: dts: at91: sama5d2: fix dtc warning for ohci and ehci

Fixed the following DTC build warning (reproducible with W=1)

arch/arm/dts/at91-sama5d2_icp.dtb: Warning (unit_address_format): /ahb/ohci@00400000: unit name should not have leading 0s
arch/arm/dts/at91-sama5d2_icp.dtb: Warning (unit_address_format): /ahb/ehci@00500000: unit name should not have leading 0s

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Alexander Dahl <ada@thorsis.com>
diff --git a/arch/arm/dts/at91-sama5d2_xplained.dts b/arch/arm/dts/at91-sama5d2_xplained.dts
index 3e3cb40..34b64a2 100644
--- a/arch/arm/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/dts/at91-sama5d2_xplained.dts
@@ -29,7 +29,7 @@
 	};
 
 	ahb {
-		usb1: ohci@00400000 {
+		usb1: ohci@400000 {
 			num-ports = <3>;
 			atmel,vbus-gpio = <&pioA 42 0>;
 			pinctrl-names = "default";
@@ -37,7 +37,7 @@
 			status = "okay";
 		};
 
-		usb2: ehci@00500000 {
+		usb2: ehci@500000 {
 			status = "okay";
 		};