[U-Boot] [PATCH v5 06/18] clk: Provide struct clk for fixed rate clock (clk_fixed_rate.c)

[sbabic at denx.de]

> Up till now the fixed rate clock ('osc') has been added to UCLASS_CLK
> without declaring struct clk. As a result it was only accessible by
> iterating the udevice's uclass list.
> This is a problem for clock code, which operates on pointers to struct
> clk (like clk_get_rate()), not udevices.
> After this change struct clk is accessible from udevice and udevice from
> struct clk.
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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