MT#9177 Rework autoprov vendor credentials.

Hook it up to a device model.

Change-Id: Id89d6b639bbd16b486a3b33f02de5c02707e77e3

db_scripts/diff/15114.up

@@ -0,0 +1,14 @@
+USE provisioning;
+
+DROP TABLE billing.contract_vendor_credentials;
+
+CREATE TABLE `autoprov_redirect_credentials` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `device_id` int(11) unsigned NOT NULL,
+  `user` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `ap_devid_fk` (`device_id`),
+  KEY `vendor_idx` (`vendor`),
+  CONSTRAINT `autoprov_redirect_credentials_ibfk_1` FOREIGN KEY (`device_id`) REFERENCES `autoprov_devices` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB;