utils: rework wb-gen-serial - initial commit
utils: rework wb-gen-serial - initial commit

Signed-off-by: Nikita webconn Maslov <14f3cd4ce0a3279f06c9a2d0f83393b7635f277f@gmail.com>

contactless/wirenboard,contactless/wirenboard,contactless/wirenboard,contactless/wirenboard,contactless/wirenboard,contactless/wirenboard,contactless/wirenboard