dt-bindings: allwinner: add H616 DE33 clock binding

The Allwinner H616 and variants have a new display engine revision
(DE33).

Add a clock binding for the DE33.

Signed-off-by: Ryan Walklin <ryan@testtoast.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://patch.msgid.link/20250511104042.24249-7-ryan@testtoast.com
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Author: tokyovigilante

Documentation/devicetree/bindings/clock/allwinner,sun8i-a83t-de2-clk.yaml

@@ -25,6 +25,7 @@ properties:
       - const: allwinner,sun50i-a64-de2-clk
       - const: allwinner,sun50i-h5-de2-clk
       - const: allwinner,sun50i-h6-de3-clk
+      - const: allwinner,sun50i-h616-de33-clk
       - items:
           - const: allwinner,sun8i-r40-de2-clk
           - const: allwinner,sun8i-h3-de2-clk