reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/recipes-extended/iptables/iptables_1.6.2.bb b/poky/meta/recipes-extended/iptables/iptables_1.6.2.bb
index e00824f..a57cac3 100644
--- a/poky/meta/recipes-extended/iptables/iptables_1.6.2.bb
+++ b/poky/meta/recipes-extended/iptables/iptables_1.6.2.bb
@@ -39,7 +39,7 @@
 PACKAGES_DYNAMIC += "^${PN}-module-.*"
 
 python populate_packages_prepend() {
-    modules = do_split_packages(d, '${libdir}/xtables', 'lib(.*)\.so$', '${PN}-module-%s', '${PN} module %s', extra_depends='')
+    modules = do_split_packages(d, '${libdir}/xtables', r'lib(.*)\.so$', '${PN}-module-%s', '${PN} module %s', extra_depends='')
     if modules:
         metapkg = d.getVar('PN') + '-modules'
         d.appendVar('RDEPENDS_' + metapkg, ' ' + ' '.join(modules))