Re-enable adaptive power management for WiFi
Thanks to AntonX for source

Conflicts:

	drivers/net/wireless/bcmdhd/src/dhd/sys/dhd_linux.c
	drivers/net/wireless/bcmdhd/src/wl/sys/wl_cfg80211.c
	drivers/net/wireless/bcmdhd/src/wl/sys/wl_cfgp2p.c
Adjust WiFi sleep power management
PM_MAX enabled by default
Can by controlled via sysfs /sys/module/bcmdhd/wifi_pm
0 - PM_MAX (default)
1 - PM_FAST

Conflicts:

	drivers/net/wireless/bcmdhd/Makefile
	drivers/net/wireless/bcmdhd/src/wl/sys/wl_cfg80211.c
	drivers/net/wireless/bcmdhd/src/wl/sys/wl_cfgp2p.c