[PATCH] clk: scmi: Add duty cycle ops only when duty cycle is supported

[Stephen Boyd]

Quoting Jacky Bai (2025-07-28 00:04:46)
> For some of the SCMI based platforms, the oem extended config may be
> supported, but not for duty cycle purpose. Skip the duty cycle ops if
> err return when trying to get duty cycle info.
> 
> Signed-off-by: Jacky Bai <ping.bai at nxp.com>
> ---

Applied to clk-next