Revert "bcmdhd: reduce wakelocks"

This reverts commit c8cfd33c7562152a3be435577f0f67ff5c704522.
Revert "fix compile error"

This reverts commit 462243bf196a595a279dae6314d884f0166a16a4.
Revert "fix warning with linaro 4.9.1"

This reverts commit 28f9e1968a3bd629601d5c8213077b511b808f98.