wl12xx: don't handle change_channel while associated

Currently, CHANGE_CHANNEL indication while
associated is considered as roaming attempt.

However, with the new auth/assoc redesign,
we no longer have to handle this case,
so remove it.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
1 file changed