~ruther/vhdl-i2c

ref: ddd2c6a8ba008ea92566b96c56450a2a589b9da3 vhdl-i2c/src d---------
fix: compilation errors
feat: add i2c slave state entity
feat: add i2c misc entities
feat: add i2c rx, tx entities
feat: add utility entities

Delay, metastability filter, open drain buffer, synchronous edge detector