[U-Boot] env_mmc: Properly prefix mmc errors with '!'

[Tom Rini]

On Sat, Aug 15, 2015 at 08:05:01PM +0200, Hans de Goede wrote:

> The set_default_env() function from env_common.c expects either
> a fully formatted error msg, e.g.: "## Resetting to default environment\n"
> or an error msg prefixed with an !, in which case it will format it.
> 
> Fix the init_mmc_for_env() error messages to be prefixed with a !
> this changes the bootup-log on sunxi when no mmc card is found from:
> 
> MMC:   SUNXI SD/MMC: 0
> No MMC card foundIn:    serial
> Out:   serial
> 
> To:
> 
> MMC:   SUNXI SD/MMC: 0
> *** Warning - No MMC card found, using default environment
> 
> In:    serial
> Out:   serial
> 
> Which clearly is how things should look.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Applied to u-boot/master, thanks!

-- 
Tom
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