qcacld-3.0: Add feature flag for event history logging

Add a feature flag enabling support in defconfig
for the datapath event history logging feature.

CRs-Fixed: 2466616
Change-Id: I8fc2c76a927aea3e2e723cde87c69e59e03a9848

Kbuild

@@ -2619,6 +2619,8 @@ cppflags-$(CONFIG_DATA_CE_SW_INDEX_NO_INLINE_UPDATE) += -DDATA_CE_SW_INDEX_NO_IN
 #Flag to enable Multi page memory allocation for RX descriptor pool
 cppflags-$(CONFIG_QCACLD_RX_DESC_MULTI_PAGE_ALLOC) += -DRX_DESC_MULTI_PAGE_ALLOC
 
+cppflags-$(CONFIG_WLAN_FEATURE_DP_EVENT_HISTORY) += -DWLAN_FEATURE_DP_EVENT_HISTORY
+
 ifdef CONFIG_MAX_LOGS_PER_SEC
 ccflags-y += -DWLAN_MAX_LOGS_PER_SEC=$(CONFIG_MAX_LOGS_PER_SEC)
 endif

configs/default_defconfig

@@ -756,6 +756,11 @@ ifeq ($(CONFIG_LITHIUM), y)
 	CONFIG_FEATURE_UNIT_TEST_SUSPEND := y
 endif
 
+ifeq ($(CONFIG_LITHIUM), y)
+	ifeq ($(CONFIG_SLUB_DEBUG_ON), y)
+		CONFIG_WLAN_FEATURE_DP_EVENT_HISTORY := y
+	endif
+endif
 #Flag to enable hdd memory dump feature
 CONFIG_FEATURE_MEMDUMP_ENABLE := y