[PATCH] dt-bindings: clock: Drop st,stm32h7-rcc.txt

[Stephen Boyd]

Quoting Rob Herring (Arm) (2025-05-05 09:19:32)
> The binding is already covered by st,stm32-rcc.yaml.
> 
> Signed-off-by: Rob Herring (Arm) <robh at kernel.org>
> ---

Applied to clk-next