mcb: Added support for LPC or non PCI based MCB carrier

Add support for MCB bases FPGAs connected to the LPC or
non PCI Bus.

This driver currently supports the SC24 board. The FPGA
is connected to the LPC bus and is identified using the BIOS
DMI string.

Signed-off-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>