staging: brcm80211: added endianness check flag to fullmac Makefile

Reported-by: NJohannes Berg <johannes@sipsolutions.net>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Reviewed-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/Makefile

@@ -30,3 +30,4 @@ DHDOFILES = \
 
 obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
 brcmfmac-objs += $(DHDOFILES)
+ccflags-y += -D__CHECK_ENDIAN__