linux-firmware: brcm: add firmware for bcm43236 usb device

The brcmfmac driver located in drivers/net/wireless/brcm80211 has
been extended with support for USB devices. This patch adds firmware
for the bcm43236 device.
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

WHENCE

@@ -1555,6 +1555,7 @@ Driver: brcmfmac - Broadcom 802.11n fullmac wireless LAN driver.
 File: brcm/bcm4329-fullmac-4.bin
 File: brcm/brcmfmac4329.bin
 File: brcm/brcmfmac4330.bin
+File: brcm/brcmfmac43236b.bin
 
 Licence: Redistributable. See LICENCE.broadcom_bcm43xx for details.