rockchip: clk: rv1108: remove duplicate reset init

rockchip_reset_bind() already does the needed init for the reset
registers, only referenced the wrong cru structure.

So we can get rid of the open-coded reset init and just fix
the correct cru reference.

Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>