Documentation/early-userspace/README fix a typo

Corrected the swapped characters in the word arugemnt to argument.

Signed-off-by: Stefan Huber <steffhip@googlemail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
1 file changed