clk: rockchip: Add dt-binding header for RV1126

Add the dt-bindings header for the Rockchip RV1126, that gets shared
between the clock controller and the clock references in the dts.

Acked-by: Rob Herring <[email protected]>
Signed-off-by: Finley Xiao <[email protected]>
Signed-off-by: Jagan Teki <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Stuebner <[email protected]>

Author: openedev