[U-Boot] gpio: Correct handling of 'gpio status'

[Tom Rini]

On Sun, Feb 14, 2016 at 04:28:59PM -0700, Simon Glass wrote:

> This is broken - we need to look at the first two characters to distinguish
> 'gpio status' from 'gpio set'.
> 
> Fixes: 0ffe6ab5 (gpio: Allow 's' as an abbreviation for 'status')
> Reported-by: Soeren Moch <smoch at web.de>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Tested-by: Soeren Moch <smoch at web.de>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> Tested-by: Hannes Schmelzer <oe5hpm at oevsv.at>

Applied to u-boot/master, thanks!

-- 
Tom
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