greybus: fw-management: Fix error message's text

Just reword it to make it sound better.

Compile tested.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Viresh Kumar 2016-05-19 18:26:27 +05:30 • committed by Greg Kroah-Hartman
commit d72b5810cb