wlan: Add mDNS server offload feature

Add support to set the mDNS server offload.
mDNS info such as mDNS enable, FQDN query,
UFQDN Query, Responses for TXT, PTR, A, Ipv4 address type
of queries firmware.

Change-Id: I9036e54ff7902309018cc131fd3bb60147381969
CRs-Fixed: 1099420
diff --git a/Kbuild b/Kbuild
index c2a7ea0..bfcf34f 100644
--- a/Kbuild
+++ b/Kbuild
@@ -29,6 +29,9 @@
 # JB kernel has CPU enablement patches, so enable
     CONFIG_PRIMA_WLAN_11AC_HIGH_TP := y
 
+#Flag to enable mDNS feature
+    CONFIG_MDNS_OFFLOAD_SUPPORT := y
+
 #Flag to enable TDLS feature
     CONFIG_QCOM_TDLS := y
 
@@ -688,6 +691,10 @@
 CDEFINES += -DWLAN_FEATURE_OFFLOAD_PACKETS
 endif
 
+ifeq ($(CONFIG_MDNS_OFFLOAD_SUPPORT), y)
+CDEFINES += -DMDNS_OFFLOAD
+endif
+
 KBUILD_CPPFLAGS += $(CDEFINES)
 
 # Module information used by KBuild framework