mwifiex: store permanant mac address in adapter structure

This would be used to set mac address while changing virtual
interface to different types.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --cc drivers/net/wireless/mwifiex/cfg80211.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/cmdevt.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/init.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/main.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/main.h
Simple merge