Documentation/: it's -> its where appropriate
Francis Galiegue authored

Fix obvious cases of "it's" being used when "its" was meant.
Signed-off-by: default avatarFrancis Galiegue <fgaliegue@gmail.com>
Acked-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
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