bitbake: fetch: SRC_URI parameter "subdir" does not work for local files

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>

bitbake/lib/bb/fetch2/__init__.py

@@ -1265,7 +1265,10 @@ class FetchMethod(object):
                     if urldata.type == "file" and urldata.path.find("/") != -1:
                        destdir = urldata.path.rsplit("/", 1)[0]
                     else:
-                       destdir = "."
+                       if urldata.parm.get('subdir') != None:
+                          destdir = urldata.parm.get('subdir')
+                       else:
+                          destdir = "."
                     bb.utils.mkdirhier("%s/%s" % (rootdir, destdir))
                     cmd = 'cp -f %s %s/%s/' % (file, rootdir, destdir)