montblanc: fix for stuck dhcp

driver not able to get a new lease, if the old files are not deleted before wifi is starting.

Change-Id: Ie970446889840b629dc4dc2a5c19685f92e07e29
Merge branch 'master' of https://github.com/CyanoSpaceMod/android_device_montblanc_common_csm9
might fix LED
Merge pull request #2 from CyanoSpaceMod/master

LED fix and wifi etc