qcacmn: Pass WOW enable flags to FW

For WOW Enable, firmware accepts a bitmap of flags, but passing them
to firmware is not exposed by WMI. Modify WMI to allow passing WOW
Enable flags to firmware.

Change-Id: I458b01bc6a4e5b14b2a1dfee928136daeb70ebe9
CRs-Fixed: 1092068
diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index 257b76a..6e7e4b6 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -695,6 +695,7 @@
 	bool enable;
 	bool can_suspend_link;
 	uint8_t pause_iface_config;
+	uint32_t flags;
 };
 
 /**