support CRDA

configname: CONFIG_CFG80211_CRDA_SUPPORT

Linux Kernel Configuration
└─>Networking support
└─>Wireless
└─>support CRDA
In linux kernel since version 3.10 (release Date: 2013-06-30)  
You should enable this option unless you know for sure you have no
need for it, for example when using internal regdb (above) or the
database loaded as a firmware file.

If unsure, say Y.