prima: WLAN Driver Release 3.1.7.9

Initial code drop for wlan driver.

git clone gitosis@git.codeaurora.org:/external/wlan/reponame.git
SHA: 295189bdc1f9d9ce4f01e1c67662aaad2d64348a

Signed-off-by: Iliyan Malchev <malchev@google.com>
staging: include the prima wlan driver

Signed-off-by: Iliyan Malchev <malchev@google.com>
prima: HACK: compilation fixes for gcc 4.6

These changes are reguired to compile sucessfully with gcc 4.6
It's temporary solutions and better to remove the warning from codes.

Change-Id: I7fb7456134bc44bf5ce49edf5f00dae10ae5e778