wireless-iwl-power: Add iwlwifi support
wireless-iwl-power: sysfs attr enbable -> enabled

Starting with linux kernel 3.13, the sysfs attribute 'enable' for pci
devices was renambed to 'enabled'.
Merge pull request #22 from shuber2/lmt-upstream

Add iwlwifi support, add support for linux kernel >=3.13

@shuber2 Thank you. Looks good and merged.