Revert "bcmdhd: Reworked firmware and nvram path by Oliver96"

This reverts commit 370730ba423de2a42dfc46dbcf1484de83bd8dc3.
Revert "bcmdhd: Hack for allow module to load nvram and firmware correctly"

This reverts commit 213eb3bb5363f801d05d7a092b6a6449c073b0e3.
initialized dhd fw path

Change-Id: I7151d4f6a035a50de3fb1852b3bb4ce97a1298d6