ARM: at91: dt: enable usb ehci for sam9g45 and sam9x5

make the ECHI depends on ARCH_AT91

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: devicetree-discuss@lists.ozlabs.org
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 1d8b6ac..c111001f 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -214,6 +214,13 @@
 			interrupts = <22 4>;
 			status = "disabled";
 		};
+
+		usb1: ehci@00700000 {
+			compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
+			reg = <0x00700000 0x100000>;
+			interrupts = <22 4>;
+			status = "disabled";
+		};
 	};
 
 	i2c@0 {