ARM: dts: am57xx: cl-som-am57x: set HOST mode for USB2

Setup USB2 to act in "HOST" mode by default.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-cl-som-am57x.dts

@@ -588,7 +588,7 @@ &usb1 {
 };
 
 &usb2 {
-	dr_mode = "peripheral";
+	dr_mode = "host";
 };
 
 &mcasp3 {