ARM: sunxi: Simplify restart setup code

Now that we have different machine definitions for different SoCs, we
can remove the DT lookup to get the restart hook we should be using, and
hardcode it in the machine definition instead.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --cc arch/arm/mach-sunxi/sunxi.c
Simple merge