qcacld-3.0: enable DP pending memory flushing

Enable DP pending memory flushing by macro WLAN_DP_PENDING_MEM_FLUSH

Change-Id: I77a85c208a77cf7d2e43270b396e4ed9e41c3e85
CRs-Fixed: 2543465

Kbuild

@@ -2773,6 +2773,7 @@ cppflags-$(CONFIG_QCACLD_RX_DESC_MULTI_PAGE_ALLOC) += -DRX_DESC_MULTI_PAGE_ALLOC
 cppflags-$(CONFIG_WLAN_FEATURE_DP_EVENT_HISTORY) += -DWLAN_FEATURE_DP_EVENT_HISTORY
 cppflags-$(CONFIG_WLAN_DP_PER_RING_TYPE_CONFIG) += -DWLAN_DP_PER_RING_TYPE_CONFIG
 cppflags-$(CONFIG_SAP_DHCP_FW_IND) += -DSAP_DHCP_FW_IND
+cppflags-$(CONFIG_WLAN_DP_PENDING_MEM_FLUSH) += -DWLAN_DP_PENDING_MEM_FLUSH
 
 ifdef CONFIG_MAX_LOGS_PER_SEC
 ccflags-y += -DWLAN_MAX_LOGS_PER_SEC=$(CONFIG_MAX_LOGS_PER_SEC)

configs/default_defconfig

@@ -854,6 +854,7 @@ ifeq ($(CONFIG_LITHIUM), y)
 	CONFIG_WLAN_DP_PER_RING_TYPE_CONFIG := y
 	#Enable WMI TX/RX over QMI
 	CONFIG_WMI_SEND_RECV_QMI := y
+	CONFIG_WLAN_DP_PENDING_MEM_FLUSH := y
 endif
 
 #Flag to enable hdd memory dump feature