~ruther/vhdl-i2c

ref: 5c423e6c6b1f5ae648804750e0456fbb14c2becb vhdl-i2c/vivado/nsv_i2c.xpr -rw-r--r-- 26.4 KiB 
tests: add mcu tests working with slave top designs

chore: add Vivado project for Basys 3 board