yocto-build-and-test.sh: Add mender-binary-delta-generator to PATH
yocto-build-and-test.sh: Add mender-binary-delta-generator to PATH

Signed-off-by: Lluis Campos <9244cb41c39addfc5cf236920b776ea2820513d0@northern.tech>

mendersoftware/meta-mender-qemu