Revert "mac80211: replace netif_tx_{start,stop,wake}_all_queues"

This reverts commit 53623f1a09c7a7d23b74f0f7d93dba0ebde1006b.

This was inadvertantly missed in "mac80211: fix skb buffering issue",
and is required with that patch to restore proper queue operation.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc net/mac80211/iface.c
Simple merge

diff --cc net/mac80211/mlme.c
Simple merge

diff --cc net/mac80211/scan.c
Simple merge