qcacld-3.0: Enable Driver MEMDUMP in Kbuild

MEMDUMP is disabled in Kbuild, Hence the driver memory dump
command is failing.

Enable WLAN_MEMDUMP in Kbuild

CRs-Fixed: 1117348
Change-Id: Ic468a78305a5df409cf95096dfea38cb27aa7c7c

Kbuild

@@ -166,7 +166,7 @@ ifeq ($(KERNEL_BUILD), 0)
 
 ifneq ($(CONFIG_ROME_IF),sdio)
 	#Flag to enable memdump feature
-	CONFIG_WLAN_FEATURE_MEMDUMP := n
+	CONFIG_WLAN_FEATURE_MEMDUMP := y
 
 	#Flag to enable DISA
 	CONFIG_WLAN_FEATURE_DISA := y