net: wireless: bcmdhd: fixed power consumption issue of P2P.

solution : add wake_lock not to go to suspend during removing P2P GO interface
in wl_cfg80211.c. Description of this issue : if device goes to suspend
during removing the interface, we will fail to remove P2P GO virtual
interface(p2p-p2p0-0). This will causes P2P GO still alive in firmware Bugnizer
case id : 10874302 This issue is reported by LG team.
Signed-off-by: Ecco Park <eccopark@broadcom.com>

Change-Id: Ie74552eaa83a28dc81585817e27a94de677f2c61