Small cleanup of libftdi 1.x related code and comment.
Small cleanup of libftdi 1.x related code and comment.

ld3300/ola,nightrune/ola,nightrune/ola,ld3300/ola,nightrune/ola,ld3300/ola,nightrune/ola,nightrune/ola,nightrune/ola,ld3300/ola,ld3300/ola,ld3300/ola,ld3300/ola,nightrune/ola