brcmfmac43430-firmware: improve package version and release

Use git revision as package release and date for package version.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

package/firmware/brcmfmac43430-firmware/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=brcmfmac43430-firmware-sdio
-PKG_RELEASE:=1
+PKG_VERSION:=2016-04-16
+PKG_RELEASE:=54bab3d6a6d43239c71d26464e6e10e5067ffea7
 
 include $(INCLUDE_DIR)/package.mk
 
-BRCMFMAC43430_SDIO_REV:=54bab3d6a6d43239c71d26464e6e10e5067ffea7
-BRCMFMAC43430_SDIO_URL:=@GITHUB/RPi-Distro/firmware-nonfree/$(BRCMFMAC43430_SDIO_REV)/brcm80211/brcm/
-BRCMFMAC43430_SDIO_FILE:=brcmfmac43430-sdio-$(BRCMFMAC43430_SDIO_REV)
+BRCMFMAC43430_SDIO_URL:=@GITHUB/RPi-Distro/firmware-nonfree/$(PKG_RELEASE)/brcm80211/brcm/
+BRCMFMAC43430_SDIO_FILE:=brcmfmac43430-sdio-$(PKG_RELEASE)
 
 define Download/brcmfmac43430_sdio_bin
   FILE:=$(BRCMFMAC43430_SDIO_FILE).bin