ARM: sunxi: h3-h5: Convert R_CCU raw numbers to macros

Now that the R_CCU device tree binding headers have been merged, we
can convert the raw number references in the device trees to use the
defined macros.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>