[U-Boot] [PATCH] kconfig: fix typo 'parition'

[Dr. Philipp Tomsich]

> On 13 Aug 2018, at 11:34, Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com> wrote:
> 
> %s/parition/partition

Make this a whole sentence to make it easier to read.

> 
> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>