mac80211: Ensure power-level set properly for scanning.

My previous patch to optimize scanning on operating channel
accidentally removed the code that would ensure power was
set to maximum for scanning.

This patch re-adds that functionality.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2 files changed