Fix Microwatt on Versa board

Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>

Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>

Use 128mb sdram, uart via i/o port on i/o board and vga terminal via i/o board

Add Colorlight 5A-75E V7.1 board

Update J4 pin 5 on Colorlight 5A-75B V7.0

targets/trellisboard: add initial LiteSDCard support

Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>

targets/acorn_cle_215: use new generate_litepcie_software functions and add --driver argument to generate driver.

targets/acorn_cle_215: automatically copy software from litepcie and generate headers in kernel directory.

ZCU104: add I2C

Tested with:
./pano_logic_g2.py --uart-name=jtag_uart --build --load
./litex_jtag_uart.py --config=openocd_xc6_ft232.cfg
lxterm /dev/pts/X

Take Ethernet PHY out of reset so default clock is 125 Mhz