Merge tag 'mmc-2020-10-14' of https://gitlab.denx.de/u-boot/custodians/u-boot-mmc

- fsl_esdhc_imx cleanup
- not send cm13 if send_status is 0.
- Add reinit API
- Add mmc HS400 for fsl_esdhc
- Several cleanup for fsl_esdhc
- Add ADMA2 for sdhci