Revert "wlan: Fix for ARP offload issue"

This reverts commit 85ba2bc0fc741a663c094ccd84faa3b18d21e292.
Side effects to the hw address (which changes during riva offload)
result in exactly the same final behavior.
Merge branch 'jellybean' of http://github.com/CyanogenMod/lge-kernel-mako into jellybean