If we split variables only at whitespaces, a slipped in tab will render
a value unremovable.
(Bitbake rev: 0da22ba3e930fbb060b31fc423fd3333ca8843a0)
Signed-off-by: Stefan Müller-Klieser <s.mueller-klieser@phytec.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>