iwlagn: add CMD_ON_DEMAND flag for host command from testmode

For all the hist command request from testmode, set the CMD_ON_DEMAND flag.
this flag will be used later to control the uCode behavior

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 29eb41d..b7e9fd1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -261,6 +261,7 @@
 	CMD_SYNC = 0,
 	CMD_ASYNC = BIT(0),
 	CMD_WANT_SKB = BIT(1),
+	CMD_ON_DEMAND = BIT(2),
 };
 
 #define DEF_CMD_PAYLOAD_SIZE 320