Documentation: ehci-omap: remove the unnecessary newline

Signed-off-by: NYegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/usb/ehci-omap.txt

@@ -29,4 +29,3 @@ usbhsehci: ehci@4a064c00 {
 &usbhsehci {
 	phys = <&hsusb1_phy 0 &hsusb3_phy>;
 };
-