ARM: dts: am335x-bone*: usb0 is hardwired for peripheral

Fixes: http://bugs.elinux.org/issues/127

the bb.org community was seeing random reboots before this change.
Signed-off-by: NRobert Nelson <robertcnelson@gmail.com>
Reviewed-by: NFelipe Balbi <balbi@ti.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am335x-bone-common.dtsi

@@ -195,6 +195,7 @@
 
 &usb0 {
 	status = "okay";
+	dr_mode = "peripheral";
 };
 
 &usb1 {