ARM: pb1176: add ISP1761 USB OTG host controller

The USB host controller was missing from the device tree so add
it. This device is not inside either the development chip or the
FPGA but mounted on the board, so it ends up in the root node of
the device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/arm-realview-pb1176.dts

@@ -131,6 +131,14 @@ secflash@3c000000 {
 		status = "disabled";
 	};
 
+	usb@3b000000 {
+		compatible = "nxp,usb-isp1761";
+		reg = <0x3b000000 0x20000>;
+		interrupt-parent = <&intc_fpga1176>;
+		interrupts = <0 11 IRQ_TYPE_LEVEL_HIGH>;
+		port1-otg;
+	};
+
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;