nl80211: add ifndef on AP SME condition

The condition causes problems on driver initialization if the
NL80211_ATTR_DEVICE_AP_SME is not available. Needs
BOARD_NO_APSME_ATTR:=true.

Change-Id: Ie60425bd82c429724e5e91892087138117a3f273
Merge pull request #1 from omnirom/android-4.4

nl80211: add ifndef on AP SME condition