rc: wrap this around for consistency

Early installer is really about an untained system, so
we defer *all* system setup and only keep the loopback
configuration above it.  This way, after config import
from the installer system_login_configure() is up-to-date.

src/etc/inc/interfaces.inc

@@ -127,11 +127,6 @@ function interfaces_loopback_configure($verbose = false)
         flush();
     }
 
-    /*
-     * This function is called very early, we must
-     * make sure the config is not required.
-     */
-
     legacy_interface_setaddress('lo0', '127.0.0.1');
     legacy_interface_flags('lo0', 'up');
 

src/etc/rc.bootup

@@ -2,6 +2,7 @@
 <?php
 
 /*
+    Copyright (C) 2014-2016 Franco Fichtner <franco@opnsense.org>
     Copyright (C) 2004-2009 Scott Ullrich <sullrich@pfsense.org>.
     Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
     Copyright (C) 2009 Erik Kristensen
@@ -64,9 +65,6 @@ echo "done.\n";
  */
 system_console_mute();
 
-system_devd_configure(true);
-system_login_configure(true);
-
 /* loopback device is required early for syslog and the installer */
 interfaces_loopback_configure(true);
 
@@ -95,6 +93,9 @@ global $config;
 $config = parse_config(true);
 convert_config();
 
+system_devd_configure(true);
+system_login_configure(true);
+
 /*
  *  Determine if we need to throw a interface exception
  *  and ask the user to reassign interfaces.  This will