ARM: sunxi: dt: Switch to the new mbus compatible

Now that we have a compatible of its own for the mbus clock, switch to it.

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

diff --cc arch/arm/boot/dts/sun5i-a10s.dtsi
Simple merge

diff --cc arch/arm/boot/dts/sun5i-a13.dtsi
Simple merge

diff --cc arch/arm/boot/dts/sun7i-a20.dtsi
Simple merge