qcacld-3.0: Featurize WLAN_FEATURE_PACKET_FILTERING

Featurize WLAN_FEATURE_PACKET_FILTERING to compile out
in mission mode.

Change-Id: I373e65b9286dd6a6e870dce873d19bf3b3455adb
CRs-Fixed: 2241323
diff --git a/Kbuild b/Kbuild
index bb36be8..721b5a5 100644
--- a/Kbuild
+++ b/Kbuild
@@ -51,7 +51,6 @@
 		$(HDD_SRC_DIR)/wlan_hdd_object_manager.o \
 		$(HDD_SRC_DIR)/wlan_hdd_oemdata.o \
 		$(HDD_SRC_DIR)/wlan_hdd_p2p.o \
-		$(HDD_SRC_DIR)/wlan_hdd_packet_filter.o \
 		$(HDD_SRC_DIR)/wlan_hdd_power.o \
 		$(HDD_SRC_DIR)/wlan_hdd_regulatory.o \
 		$(HDD_SRC_DIR)/wlan_hdd_request_manager.o \
@@ -150,6 +149,10 @@
 HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_nud_tracking.o
 endif
 
+ifeq ($(CONFIG_WLAN_FEATURE_PACKET_FILTERING), y)
+HDD_OBJS += $(HDD_SRC_DIR)/wlan_hdd_packet_filter.o
+endif
+
 ########### HOST DIAG LOG ###########
 HOST_DIAG_LOG_DIR :=	$(WLAN_COMMON_ROOT)/utils/host_diag_log