qcacld-3.0: Use CONFIG_SLUB_DEBUG_ON to enable debug flag

Use CONFIG_SLUB_DEBUG_On to enable certain flags. This ensures that
these flags are not enabled for PERF builds.

Change-Id: I8c8e032ca1a0344f12fbad4dca543e333d601916
CRs-Fixed: 3045963

configs/default_defconfig

@@ -507,7 +507,7 @@ CONFIG_LFR_SUBNET_DETECTION := y
 # Flag to enable MCC to SCC switch feature
 CONFIG_MCC_TO_SCC_SWITCH := y
 
-ifeq ($(CONFIG_SLUB_DEBUG), y)
+ifeq ($(CONFIG_SLUB_DEBUG_ON), y)
 	# Enable Obj Mgr Degug services if slub build
 	CONFIG_WLAN_OBJMGR_DEBUG:= y
 	CONFIG_MPC_UT_FRAMEWORK := y