ARM: dts: Add support for the BeagleBoard xM A/B

BeagleBoard xM A/B has an inverted usb hub enable line vs the xM C
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
[tony@atomide.com: updated for missing bracket]
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/Makefile

@@ -246,6 +246,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
 	omap3-sbc-t3730.dtb \
 	omap3-devkit8000.dtb \
 	omap3-beagle-xm.dtb \
+	omap3-beagle-xm-ab.dtb \
 	omap3-evm.dtb \
 	omap3-evm-37xx.dtb \
 	omap3-ldp.dtb \

arch/arm/boot/dts/omap3-beagle-xm-ab.dts

+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "omap3-beagle-xm.dts"
+
+/ {
+	/* HS USB Port 2 Power enable was inverted with the xM C */
+	hsusb2_power: hsusb2_power_reg {
+		enable-active-high;
+	};
+};