rockchip: rk3188-cru-common: sync clock dt-binding header from Linux

In order to update the DT for rk3066 and rk3188
sync the clock dt-binding header.
This is the state as of v5.12 in Linux.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>