Network: convert network devices to use struct device instead of class_device

This lets the network core have the ability to handle suspend/resume
issues, if it wants to.

Thanks to Frederik Deweerdt <frederik.deweerdt@gmail.com> for the arm
driver fixes.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c
index f3faa4f..72c41f5 100644
--- a/drivers/net/arm/etherh.c
+++ b/drivers/net/arm/etherh.c
@@ -587,7 +587,7 @@
 {
 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
 	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
-	strlcpy(info->bus_info, dev->class_dev.dev->bus_id,
+	strlcpy(info->bus_info, dev->dev.parent->bus_id,
 		sizeof(info->bus_info));
 }