rename EB+MCF-EV123 to its current marketing name EB+CPU5282

* rename board directory to eb_cpu5282
* rename EB+MCF-EV123_.*config to eb_cpu5282_.*config
* add Maintainer for EB+CPU5282 board
* rename prompt

Signed-off-by: Jens Scharsig (BuS Elektronik) <esw@bus-elektronik.de>
diff --git a/boards.cfg b/boards.cfg
index becf258..fdb84ad 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -339,8 +339,8 @@
 M5235EVB_Flash32             m68k        mcf523x     m5235evb            freescale      -           M5235EVB:NORFLASH_PS32BIT,SYS_TEXT_BASE=0xFFC00000
 cobra5272                    m68k        mcf52x2     cobra5272           -
 idmr                         m68k        mcf52x2
-EB-MCF-EV123                 m68k        mcf52x2     EB+MCF-EV123        BuS            -           EB+MCF-EV123:SYS_TEXT_BASE=0xFFE00000
-EB-MCF-EV123_internal        m68k        mcf52x2     EB+MCF-EV123        BuS            -           EB+MCF-EV123:SYS_TEXT_BASE=0xF0000000
+eb_cpu5282                   m68k        mcf52x2     eb_cpu5282          BuS            -           eb_cpu5282:SYS_TEXT_BASE=0xFFE00000
+eb_cpu5282_internal          m68k        mcf52x2     eb_cpu5282          BuS            -           eb_cpu5282:SYS_TEXT_BASE=0xF0000000
 TASREG                       m68k        mcf52x2     tasreg              esd
 M5208EVBE                    m68k        mcf52x2     m5208evbe           freescale
 M5249EVB                     m68k        mcf52x2     m5249evb            freescale