recipes: set S to fix the QA warning
Fix the warning by pointing S to ${WORKDIR}/sources and UNPACKDIR to ${S}. Since recent UNPACKDIR work, default S directory is not created anymore. By setting UNPACKDIR to S, S in indirectly created in do_unpack.
Signed-off-by: alperak <alperyasinak1@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>