wil6210: fix typo in comment

Change-Id: I6994187b60c5b16043d8030a0710151b580d8e68
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Git-commit: d00a6367d227199de52b37622c984af8a21a2507
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git


Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>