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- Firmware file was updated (8.9.0.1.55), includes bug fixes and improvements.
- LICENCE file update
Signed-off-by: Yaniv Machani <yanivma@ti.com>

    - Firmware file was updated (8.9.0.0.39), includes bug fixes and improvements.
    - Configuration binary removed, it is no longer fits all releases.
      Moreover it should be configured per HW platform.
      More information can found in here :
      http://processors.wiki.ti.com/index.php/Open_Source_Wireless_Connectivity_wlconf

Signed-off-by: Yaniv Machani <yanivma@ti.com>

There are new APIs in the latest version of the wl18xx firmware. Add
the new firmware with a new filename (wl18xx-fw-4.bin), which
corresponds to firmware revision 8.9.0.0.17.
Signed-off-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Kyle McMartin <kyle@kernel.org>