FW common files needs to be in sync with host and fw.
SIGN_HEADER_MAGIC is not defined in fw common header files.
Abstract extra definition internal to host driver.
Change-Id: Ie902ca191617a6829c2cf3e6a45c3d170ae8d8c6
CRs-Fixed: 1012542
qcacld-3.0: Initial snapshot of ihelium wlan driver
to match code-scanned SU Release 5.0.0.139. This is
open-source version of wlan for next Android release.
Change-Id: Icf598ca97da74f84bea607e4e902d1889806f507