I can understand why some programs would want the progress on stderr so
that real output can be captured on stdout. This is confusing for bitbake
since we don't show a progress bar at all in non-interactive cases.
Therefore make sure the progress bar goes to stdout, not the stderr default.
(Bitbake rev: 0529aa9966df5c56b07affe865efce18852efe5a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>