close() the server_socket before qemusock replaces
it.
(From OE-Core rev: be7bbbeeb44158b181d1abc5a4d7871a9045fdd6)
Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>