ARM: dts: NSP: Add EHCI/OHCI USB nodes to device tree

Add the EHCI and OHCI entries to the Northstar Plus device tree files.

Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Signed-off-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm958625k.dts

@@ -65,6 +65,10 @@
 	status = "okay";
 };
 
+&ehci0 {
+	status = "okay";
+};
+
 &nand {
 	nandcs@0 {
 		compatible = "brcm,nandcs";
@@ -103,6 +107,10 @@
 	};
 };
 
+&ohci0 {
+	status = "okay";
+};
+
 &pcie0 {
 	status = "okay";
 };