mwifiex: wakeup and stop multiple tx queues in net_device

replace single queue function calls with equivalent multiple queue
functions. Wakeup queue and stop queue calls are guarded by spin lock.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>