qcacmn: Fix tlv formation of gtk offload command

Add gtk offload enable/disable macros and use them
while copy keys and replay counter.

Change-Id: Ifdd776bc0c567d6c815ab5cb3eb212a43889b5a5
CRs-Fixed: 987362

wmi_unified_param.h

@@ -2181,6 +2181,8 @@ struct periodic_tx_pattern {
 
 #define WMI_GTK_OFFLOAD_KEK_BYTES       16
 #define WMI_GTK_OFFLOAD_KCK_BYTES       16
+#define WMI_GTK_OFFLOAD_ENABLE          0
+#define WMI_GTK_OFFLOAD_DISABLE         1
 
 /**
  * struct gtk_offload_params - gtk offload parameters