Comment 143 for bug 1065400

before:
...
[ 1645.910360] usb 1-1.4: Direct firmware load failed with error -2
[ 1645.910363] usb 1-1.4: Falling back to user helper
[ 1645.911291] Bluetooth: can't load firmware, may not work correctly

after: inserting file fw-0a5c_21e6.hcd in /lib/firmware
[16590.619654] usb 1-1.4: new full-speed USB device number 6 using ehci-pci
[16590.716219] usb 1-1.4: New USB device found, idVendor=0a5c, idProduct=21e6
[16590.716226] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[16590.716230] usb 1-1.4: Product: BCM20702A0
[16590.716233] usb 1-1.4: Manufacturer: Broadcom Corp
[16590.716236] usb 1-1.4: SerialNumber: xxxxxxxx (changed)
[16592.518265] Bluetooth: firmware loaded

looks much better now, but not tested yet, be careful!

created with hex2hcd from BCM20702A1_001.002.014.1443.1453.hex [Thinkpad]