qcacld-3.0: Enable locks to serialization component

Serialization component's APIs may get called by various
component owners through different thread contexts. This
makes lock a mandatory requirement in order to prevent any
shared data corruption.

Change-Id: I01e7727f1717c245a81a2dc760011488f4c4ba95
CRs-Fixed: 2272624

Kbuild

@@ -1995,6 +1995,9 @@ cppflags-y += -DATH_SUPPORT_WRAP=0
 cppflags-y += -DQCA_HOST2FW_RXBUF_RING
 #endof dummy flags
 
+# Enable lock of serialization component to avoid race condition issues
+cppflags-y += -DWLAN_CMD_SERIALIZATION_LOCKING
+
 ccflags-$(CONFIG_ENABLE_SIZE_OPTIMIZE) += -Os
 
 # DFS component