[media] v4l: Fix minor typos in the documentation

Signed-off-by: Sylwester Nawrocki <snjw23@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/media-framework.txt

@@ -310,7 +310,7 @@ is non-immutable. The operation must either configure the hardware or store
 the configuration information to be applied later.
 
 Link configuration must not have any side effect on other links. If an enabled
-link at a sink pad prevents another link at the same pad from being disabled,
+link at a sink pad prevents another link at the same pad from being enabled,
 the link_setup operation must return -EBUSY and can't implicitly disable the
 first enabled link.