net/wan/fsl_ucc_hdlc: Add MODULE_DESCRIPTION

Add missing MODULE_DESCRIPTION.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/fsl_ucc_hdlc.c

@@ -1295,3 +1295,4 @@ static struct platform_driver ucc_hdlc_driver = {
 
 module_platform_driver(ucc_hdlc_driver);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION(DRV_DESC);