[U-Boot] [PATCH] cmd_usb_mass_storage: Remove extra 'ums' string in the usage text

[Soeren Moch]

> Currently the usage text for the 'ums' command looks like this:
>
> Usage:
> ums ums <USB_controller> [<devtype>] <devnum>  e.g. ums 0 mmc 0
>
> ,so remove the extra 'ums' in the text.
>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>


When fixing the ums help text, I think we also should change the
"long name" from "User Mass Storage" to "USB Mass Storage".

Regards,
  Soeren