mwifiex: disable WOW by default

Some platforms do not support WOW. Let's change the default wakeup
criteria to 0.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 1a4a694..b8ce78e 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -310,7 +310,7 @@
 #define HostCmd_SCAN_RADIO_TYPE_A           1
 
 #define HOST_SLEEP_CFG_CANCEL		0xffffffff
-#define HOST_SLEEP_CFG_COND_DEF		0x0000000f
+#define HOST_SLEEP_CFG_COND_DEF		0x00000000
 #define HOST_SLEEP_CFG_GPIO_DEF		0xff
 #define HOST_SLEEP_CFG_GAP_DEF		0