Re-add el3_resume to 3c509

In commit 107aeb9753159da848f066b26557f0aaab900a90
el3_resume() from drivers/net/3c509.c accidentally got
removed. Re-add it.

Signed-off-by: Hannes Reinecke <hare@suse.de>

diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index b33f7d9..6ace220 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -1493,6 +1493,15 @@ el3_common_resume(struct net_device *dev)
 	return 0;
 }
 
+static int
+el3_resume(struct device *pdev)
+{
+	struct net_device *dev;
+
+	dev = dev_get_drvdata(pdev);
+	return el3_common_resume(dev);
+}
+
 #endif /* CONFIG_PM */
 
 module_param(debug,int, 0);