When calling d.appendVarFlag, a blank is needed or else it could mess
up the later appended variables.
Reported-by: Stefan Agner <stefan.agner@toradex.com>
(From OE-Core rev: 8b2df6e5874b932b356847c5bde10d5b31d67213)
Signed-off-by: Ming Liu <liu.ming50@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>