net: wireless: bcmdhd: Fix SOFTAP compilation

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/drivers/net/wireless/bcmdhd/Makefile b/drivers/net/wireless/bcmdhd/Makefile
index 97dcfd3..5c296bc 100644
--- a/drivers/net/wireless/bcmdhd/Makefile
+++ b/drivers/net/wireless/bcmdhd/Makefile
@@ -18,6 +18,7 @@
 bcmdhd-objs += $(DHDOFILES)
 ifneq ($(CONFIG_WIRELESS_EXT),)
 bcmdhd-objs += wl_iw.o
+DHDCFLAGS += -DSOFTAP
 endif
 ifneq ($(CONFIG_CFG80211),)
 bcmdhd-objs += wl_cfg80211.o wl_cfgp2p.o wldev_common.o