softap: Add hostapd support if BOARD_HOSTAPD_DRIVER is set

Change-Id: Ic1d8e46edc351f8dd36f30abe957d536cf491164
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/Android.mk b/Android.mk
index 5460ab4..2004eba 100644
--- a/Android.mk
+++ b/Android.mk
@@ -35,6 +35,10 @@
 LOCAL_SHARED_LIBRARIES := libstlport libsysutils libcutils libnetutils \
                           libcrypto libhardware_legacy
 
+ifneq ($(BOARD_HOSTAPD_DRIVER),)
+  LOCAL_CFLAGS += -DHAVE_HOSTAPD
+endif
+
 ifeq ($(BOARD_HAVE_BLUETOOTH),true)
   LOCAL_SHARED_LIBRARIES := $(LOCAL_SHARED_LIBRARIES) libbluedroid
   LOCAL_CFLAGS := $(LOCAL_CFLAGS) -DHAVE_BLUETOOTH