[PATCH] imx: imx8mq: handle ESDHC in mxc_get_clock

[sbabic at denx.de]

> fsl_esdhc_imx driver will call "mxc_get_clock(MXC_ESDHC_CLK +
> dev->seq)", however mxc_get_clock wrongly handle MXC_ESDHC_CLK
> as root clk and cause sd card could not be detected in U-Boot proper,
> as below:
> "Loading Environment from MMC... unable to select a mode"
> Handle MXC_ESDHC_CLK in mxc_get_clock to fix the issue.
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> Tested-by: Baruch Siach <baruch at tkos.co.il>
> Tested-by: Fabio Estevam <festevam at gmail.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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