The Antmicro Artix DC-SCM uses the following FTDI part:
0403:6011 Future Technology Devices International, Ltd FT4232H Quad HS USB-UART/FIFO IC
To use:
$ openocd/flash-arty -c antmicro-artix-dc-scm -f a100 -t bin -a 0x300000 ~/u-boot
Signed-off-by: Joel Stanley <joel@jms.id.au>