video: rockchip: vop: Add win offset support

Unlike RK3399, RK3288 the Newer Rockchip SoC's like RK3328 have
different offsets for win registers.

Group the win register set via win_regs pointers so that win_offset
would point the win_regs to access for any changes in the offset value.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
2 files changed