arm64: dts: rockchip: Expand reg size of vdec node for RK3399

Expand the reg size for the vdec node to include cache/performance
registers the rkvdec driver writes to. Also add missing clocks to the
related power-domain.

Fixes: cbd72144

 ("arm64: dts: rockchip: Define the rockchip Video Decoder node on rk3399")
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20231105233630.3927502-10-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>