ARM: orion5x: use DT to describe EHCI on edmini_v2

This commit converts the already partially DT-converted edmini_v2
platform to use the Device Tree for USB.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-31-git-send-email-thomas.petazzoni@free-electrons.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts

@@ -56,6 +56,10 @@ led@1 {
 	};
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &eth {
 	status = "okay";
 

arch/arm/mach-orion5x/edmini_v2-setup.c

@@ -104,8 +104,6 @@ void __init edmini_v2_init(void)
 	/*
 	 * Configure peripherals.
 	 */
-	orion5x_ehci0_init();
-
 	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 				    ORION_MBUS_DEVBUS_BOOT_ATTR,
 				    EDMINI_V2_NOR_BOOT_BASE,