package_rpm: Enable use_source_date_epoch_as_buildtime in package_rpm class
Adding --define 'use_source_date_epoch_as_buildtime 1' to rpmbuild
ensure that the rpm header does have a consistent BUILDTIME tag.
This allows the rpms to be built reproducibly.
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
f16721df6b3d0d3e681d9a1b3393417bd62b6275)
Signed-off-by: Steve Sakoman <steve@sakoman.com>