clk: sunxi-ng: sun8i-de2: Add rotation core clocks and reset for A64

A64 has rotation core which needs clocks and reset. Because there is no
appropriate structures available, make a separate, A64 specific
structures.

Fixes: cf4881c1

 ("clk: sunxi-ng: fix the A64/H5 clock description of DE2 CCU")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>