Check if the 'subdir' parameter exists and assign it to 'destdir' so that
files are copied in ${WORKDIR}/destdir. This fixes urls that are of the form
file://a;subdir=b.
(Bitbake rev: 836a986b365eb9798563ec08d90b346596de7791)
Signed-off-by: Roxana Ciobanu <roxana.ciobanu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>