Resync xerox_mfp desc file & config file

ChangeLog

@@ -1,6 +1,7 @@
 2010-10-30 Julien Blache <jb@jblache.org>
 	* backend/xerox_mfp.conf.in, doc/descriptions/xerox_mfp.desc: add
-          Samsung SCX 4824 & 4825FN (Debian #601748).
+          Samsung SCX 4824 & 4825FN (Debian #601748). Resync desc file with
+	  config file.
 
 2010-10-13 Stéphane Voltz <stef.dev@free.fr>
 	* backend/genesys_devices.c backend/genesys_gl843.c 

doc/descriptions/xerox_mfp.desc

@@ -27,6 +27,16 @@
 :usbid "0x0924" "0x420c"
 :status :good
 
+:model "WorkCentre 3210"
+:interface "USB"
+:usbid "0x0924" "0x4293"
+:status :good
+
+:model "WorkCentre 3220"
+:interface "USB"
+:usbid "0x0924" "0x4294"
+:status :good
+
 :mfg "Dell"
 :url "http://www.dell.com/"
 
@@ -89,5 +99,6 @@
 :status :good
 
 :model "SCX-4500W"
-:interface "Ethernet"
+:interface "USB Ethernet"
+:usbid "0x04e8" "0x342b"
 :status :basic