wifi: Choose correct nvram file on samsung hardware

Change-Id: I9d428ae61c1ce80d97e6ea513839ed64e8f61440
wifi: Add support for AP module args

 * Needed for Samsung's goofy handling of AP mode

Change-Id: I5ec65460b7c9f8ef34170473cf1bdaa36587767b
wifi: fix samsung wifi logic

Change-Id: Ib065c0dffa1265a17f5e4fd6ec0b0ad36bbc7b14