[U-Boot] [PATCH v1 0/3] Add support for saveing env variable to SDCard

[Mingkai Hu]

[PATCH v1 1/3] Make mmc init come before env_relocate
[PATCH v1 2/3] Add support for save environment variable to MMC/SD card
[PATCH v1 3/3] mpc8536: Get the address of env on the SDCard