[PATCH 2/2] mmc: fsl_esdhc_imx: add extra delay for IO voltage switch if necessary

[sbabic at denx.de]

> From: Haibo Chen <haibo.chen at nxp.com>
> Some board like imx8mm-evkb, IO voltage switch from 3.3v to 1.8v need
> around 18ms, common code only delay 10ms, so need to delay extra 8ms.
> Otherwise voltage switch will timeout when wait for data0 line.
> This IO voltage switch time depends on board design, depend on the
> PMIC and capacitance. imx8mm-evkb board use PCA9450(PMIC) and 10uF
> capacitance.
> Signed-off-by: Haibo Chen <haibo.chen at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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