dt-bindings: clock: sun50i-h616-ccu: Add GPADC clocks

Add the required clock bindings for the GPADC.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240605172049.231108-2-macroalpha82@gmail.com


Signed-off-by: Chen-Yu Tsai <wens@csie.org>