moxa: Add firmware for some of the Moxa USB-Serial hubs

The following devices all share the same kernel driver

 *       2 ports : UPort 1250, UPort 1250I
 *       4 ports : UPort 1410, UPort 1450, UPort 1450I
 *       8 ports : UPort 1610-8, UPort 1650-8
 *      16 ports : UPort 1610-16, UPort 1650-16

Add firmware for these devices.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>

WHENCE

@@ -2222,3 +2222,35 @@ Version: 2013-07-10
 License: Redistributable. See LICENSE.amd-ucode for details
 
 --------------------------------------------------------------------------
+
+Driver: mxuport - MOXA UPort USB Serial hub driver
+
+File: moxa/moxa-04e2.fw
+File: moxa/moxa-04e3.fw
+File: moxa/moxa-0582.fw
+File: moxa/moxa-05aa.fw
+File: moxa/moxa-05ab.fw
+File: moxa/moxa-064d.fw
+File: moxa/moxa-0652.fw
+File: moxa/moxa-0675.fw
+File: moxa/moxa-067a.fw
+
+License:
+The software accompanying this license statement (the “Software”)
+is the property of Moxa Inc. (the “Moxa”), and is protected by
+United States and International Copyright Laws and International
+treaty provisions. No ownership rights are granted by this
+Agreement or possession of the Software. Therefore, you must treat
+the Licensed Software like any other copyrighted material. Your
+rights and obligations in its use are described as follows:
+
+1. You may freely redistribute this software under this license.
+2. You may freely download and use this software on Moxa's device.
+3. You may not modify or attempt to reverse engineer the software, or
+   make any attempt to change or even examine the source code of the
+   software.
+4. You may not re-license or sub-license the software to any person or
+   business, using any other license.
+5. Moxa(r) is worldwide registered trademark.
+
+--------------------------------------------------------------------------