We should not be using sys.argv inside the server to decide which targets
the user added on the commandline. There might not even be a commandline.
Thankfully the targets variable is easily accessible in this context
and contains this exact data we want.
(Bitbake rev: 5b12bf30bccdd00262e74964223220c649040be4)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>