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>