Add support for Radstone PPC7D PPC boards. Signed-off-by: James Chapman The Radstone PPC7D is a rugged ppc7447A VME card with Marvell Discovery-II dual GigE, dual PCI/PCI-X PMC sites, 4 UARTs, 2 high speed serial ports, USB and optional SCSI / VGA. Depends on mv64360 PIC, GPIO and watchdog patches submitted here: http://ozlabs.org/pipermail/linuxppc-embedded/2005-February/016950.html http://ozlabs.org/pipermail/linuxppc-embedded/2005-February/016951.html http://ozlabs.org/pipermail/linuxppc-embedded/2005-February/016952.html