mac80211: update linux-firmware to 2015-03-20

It includes new Broadcom firmware files for brcmfmac.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 44914

package/kernel/mac80211/Makefile

@@ -109,8 +109,8 @@ Generic IEEE 802.11 Networking Stack (mac80211)
 endef
 
 PKG_LINUX_FIRMWARE_NAME:=linux-firmware
-PKG_LINUX_FIRMWARE_VERSION:=7f388b4885cf64d6b7833612052d20d4197af96f
-PKG_LINUX_FIRMWARE_SOURCE:=$(PKG_LINUX_FIRMWARE_NAME)-2014-06-04-$(PKG_LINUX_FIRMWARE_VERSION).tar.bz2
+PKG_LINUX_FIRMWARE_VERSION:=f404336ba808cbd57547196e13367079a23b822c
+PKG_LINUX_FIRMWARE_SOURCE:=$(PKG_LINUX_FIRMWARE_NAME)-2015-03-20-$(PKG_LINUX_FIRMWARE_VERSION).tar.bz2
 PKG_LINUX_FIRMWARE_PROTO:=git
 PKG_LINUX_FIRMWARE_SOURCE_URL:=https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
 PKG_LINUX_FIRMWARE_SUBDIR:=$(PKG_LINUX_FIRMWARE_NAME)-$(PKG_LINUX_FIRMWARE_VERSION)