iwlwifi debugfs support

configname: CONFIG_IWLWIFI_DEBUGFS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>Debugging Options
└─>iwlwifi debugfs support
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
Enable creation of debugfs files for the iwlwifi drivers. This
is a low-impact option that allows getting insight into the
driver's state at runtime.