RT #70425, #82211. Updated the LED test with the latest GPIO assignment
in FPGA design.
RT #82416. Updated MDDR timings as per Vadim recommendations.
RT #82165. Renamed "cSoC" to "SoC" in SmartFusion2 banner.
RT: 82124. Basic port to the SF2-DEV-KIT board: boot the board up
to the U-Boot prompt on the serial console.