wlan: Add debugfs interface support for WoWL feature

Add debugfs interface and corresponding support for WoWL feature to WLAN
driver. The feature supports up to 16 WOWL patterns.

CRs-Fixed: 524374
Change-Id: I8a426d06d1f00bed73339c917a3ed28240b6540a
diff --git a/Kbuild b/Kbuild
index 1167e20..301645c 100644
--- a/Kbuild
+++ b/Kbuild
@@ -118,14 +118,15 @@
 HDD_OBJS := 	$(HDD_SRC_DIR)/bap_hdd_main.o \
 		$(HDD_SRC_DIR)/wlan_hdd_assoc.o \
 		$(HDD_SRC_DIR)/wlan_hdd_cfg.o \
+		$(HDD_SRC_DIR)/wlan_hdd_debugfs.o \
 		$(HDD_SRC_DIR)/wlan_hdd_dev_pwr.o \
 		$(HDD_SRC_DIR)/wlan_hdd_dp_utils.o \
 		$(HDD_SRC_DIR)/wlan_hdd_early_suspend.o \
 		$(HDD_SRC_DIR)/wlan_hdd_ftm.o \
 		$(HDD_SRC_DIR)/wlan_hdd_hostapd.o \
-		$(HDD_SRC_DIR)/wlan_hdd_oemdata.o \
 		$(HDD_SRC_DIR)/wlan_hdd_main.o \
 		$(HDD_SRC_DIR)/wlan_hdd_mib.o \
+		$(HDD_SRC_DIR)/wlan_hdd_oemdata.o \
 		$(HDD_SRC_DIR)/wlan_hdd_scan.o \
 		$(HDD_SRC_DIR)/wlan_hdd_softap_tx_rx.o \
 		$(HDD_SRC_DIR)/wlan_hdd_tx_rx.o \