Jaehoon Chung 1019b19665 cmd: mmc: update the mmc command's usage about argument ...

It's confusing whether arguments are optional or mandatory.
Update the command's usage to clarify how to use.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

2021-02-19 15:00:34 +08:00

26 KiB

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