6LoWPAN debugfs support

configname: CONFIG_6LOWPAN_DEBUGFS

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>6LoWPAN Support
└─>6LoWPAN debugfs support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This enables 6LoWPAN debugfs support. For example to manipulate
IPHC context information at runtime.