ARM: dts: keystone: fix io range for usb_phy0

The IO range size is set incorrectly for USB PHY0 deivice
it should be 24 instead of 32. Otherwise, It causes
USB PHY1 probing failure.
Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>

arch/arm/boot/dts/keystone.dtsi

@@ -172,7 +172,7 @@ usb_phy: usb_phy@2620738 {
 			compatible = "ti,keystone-usbphy";
 			#address-cells = <1>;
 			#size-cells = <1>;
-			reg = <0x2620738 32>;
+			reg = <0x2620738 24>;
 			status = "disabled";
 		};