qcacld-3.0: Add WLAN_DFS_STATIC_MEM_ALLOC flag

Add WLAN_DFS_STATIC_MEM_ALLOC flag to use statically
allocated memory for dfs objects.

Change-Id: I73bfaead4da29a2e4a75cc667470f2255e453b12
CRs-Fixed: 2304928

Kbuild

@@ -2234,6 +2234,7 @@ cppflags-y += -DWLAN_CMD_SERIALIZATION_LOCKING
 ccflags-$(CONFIG_ENABLE_SIZE_OPTIMIZE) += -Os
 
 # DFS component
+cppflags-y += -DWLAN_DFS_STATIC_MEM_ALLOC
 cppflags-$(CONFIG_WLAN_DFS_MASTER_ENABLE) += -DQCA_MCL_DFS_SUPPORT
 ifeq ($(CONFIG_WLAN_FEATURE_DFS_OFFLOAD), y)
 cppflags-$(CONFIG_WLAN_DFS_MASTER_ENABLE) += -DWLAN_DFS_FULL_OFFLOAD