drm/rockchip: vop: Consistently use rk3399 registers consts

As rk3399 has its own registers definitions, update related structs to
use them.
There are no changes in behaviour as updated constants values are the
 for rk3288/rk3368/rk3399 chips.

Signed-off-by: Konstantin Shabanov <mail@etehtsea.me>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250403064740.4016-1-mail@etehtsea.me