RT2400 leds support

configname: CONFIG_RT2400PCI_LEDS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless LAN
└─>RT2400 leds support
In linux kernel since version 2.6.26 (release Date: 2008-07-13)  
This adds support for led triggers provided my mac80211.