linux-firmware: Increment ap firmware API for mwl8k 8366 chip

Set new API to 3 which adds following new features in the fw
a) Add support for additional ampdu streams
b) Handle corresponding watchdog events to destroy ampdu streams

The new firmware version is 5.2.8.16

v2: Added new fw file in WHENCE
	Suggested by Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

WHENCE

@@ -695,13 +695,15 @@ Available from http://dev.laptop.org/pub/firmware/libertas/
 
 --------------------------------------------------------------------------
 
-Driver: mwl8k - Marvell Libertas softmac-type 802.11b/g cards
+Driver: mwl8k - Marvell Libertas softmac-type 802.11b/g/n cards
 
 File: mwl8k/fmimage_8687.fw
 File: mwl8k/helper_8687.fw
 File: mwl8k/fmimage_8366.fw
 File: mwl8k/fmimage_8366_ap-1.fw
 File: mwl8k/fmimage_8366_ap-2.fw
+File: mwl8k/fmimage_8366_ap-3.fw
+Version: 5.2.8.16
 File: mwl8k/helper_8366.fw
 
 Licence: Redistributable. See LICENCE.Marvell for details.  8687 images