Reinstate rdc bootability and force it to use init=/etc/preinit, thus the remove the hackish SetInitramfs actions

SVN-Revision: 12136

target/linux/rdc/files/drivers/net/r6040.c

@@ -243,7 +243,7 @@ struct r6040_private {
 };
 
 struct net_device *parent_dev;
-static char *parent;
+static char *parent = "wlan0";
 module_param(parent, charp, 0444);
 MODULE_PARM_DESC(parent, "Parent network device name to get the MAC address from");