ARM: dts: sun4i: Disable ohci1 on ba10-tv-box

The ehci1/ohci1 pair on the ba10-tv-box is connected to an USB-2 wifi
module soldered on the PCB, so there enabling ohci1 is not necessary.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>