qcacld-3.0: Changes to compile renamed files

Make changes to support compilation for the files that have
been renamed. Rename the files from wlan_serialization_legacy_mcl_api
to wlan_serialization_legacy_api to keep it more appropriate.

Change-Id: Id219a9f3e00bef0ed85408539b33d54462bf91b5
CRs-Fixed: 2012863
diff --git a/Kbuild b/Kbuild
index b373f12..5a0f4b6 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1015,7 +1015,7 @@
 		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_main.o \
 		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_api.o \
 		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_utils.o \
-		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_legacy_mcl_api.o \
+		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_legacy_api.o \
 		 $(UMAC_SER_OBJ_DIR)/wlan_serialization_rules.o
 ############## HTC ##########
 HTC_DIR := htc