brcm: update firmware for bcm4354

This firmware include fixes for:

 CVE-2016-0801 - dropping BRCM proprietary packets received over the air.
 CVE-2017-0561 - adding length checks for TDLS action frames.
 CVE-2017-9417 - adding length checks for WME IE.

Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>