reference:
http://open-rd.org
http://code.google.com/p/openrd

This patch is tested for:
1. Boot from DRAM/NAND flash
2. NAND read/write/erase
3. GbE0
4. USB read/write

FIXME:
1. SD/UART1 selection
2. MPP configuration (currently, default)
3. PEX
Signed-off-by: NDhaval Vasa <dhaval.vasa@einfochips.com>
Signed-off-by: NNicolas Pitre <nico@marvell.com>