wil6210: Prefer ether_addr_copy() over memcpy()

Fix checkpatch warning:
WARNING: Prefer ether_addr_copy() over memcpy() if the
Ethernet addresses are __aligned(2)

Change-Id: Ie42880b65cedb01d59b758077b3d9b605ae746d0
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Git-commit: a82553bb9035ee881f24c38a92cc0dbb3e53cc0e
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git


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