[PATCH] test/py: mmc: Fix 'mmc info' testcase

[Stephen Warren]

On 3/26/20 11:07 AM, Harald Seiler wrote:
> Commit 41e30dcf8796 ("cmd: mmc: Make Mode: printout consistent") fixed
> the layout of `mmc info` output.  Reflect this change in the respective
> testcase.
> 
> Also fix a typo in the documentation.

Acked-by: Stephen Warren <swarren at nvidia.com>

I guess I don't have these tests enabled, which is why my test system
didn't catch this.