mender: fix local file access
mender: fix local file access

Fix access to mender.conf & mender.service local files. The files are
fetched to ${WORKDIR} not ${S}.

Signed-off-by: Maciej Borzecki <f609d9f713abcd5f8f0e51f08dc151638a7681e7@open-rnd.pl>

bboozzoo/meta-mender,GregorioDiStefano/meta-mender,GregorioDiStefano/meta-mender,bboozzoo/meta-mender,bboozzoo/meta-mender,GregorioDiStefano/meta-mender,bboozzoo/meta-mender