project: Add setters and getters for FPGA device and speed grade
project: Add setters and getters for FPGA device and speed grade

Signed-off-by: Gwenhael Goavec-Merou <795f300ad10bb99fa929ce5b21a5b6eba1d65a5b@armadeus.com>

trabucayre/periphondemand,Martoni/periphondemand,trabucayre/periphondemand,Martoni/periphondemand,Martoni/periphondemand,trabucayre/periphondemand