ARM: sunxi: dt: Convert to the new SID compatibles

Switch the device tree to the new compatibles introduced in the SID drivers
to have a common pattern accross all Allwinner SoCs.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>