oeqa: reproducible: Add option to capture bad packages

Adds an option that can be used to copy the offending packages to a temp
directory for later evaluation. This is useful on the Autobuilder to
investigate failures.

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>