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/lib/oeqa/selftest/cases/bbtests.py b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
index 005fdd0..c503e4e 100644
--- a/poky/meta/lib/oeqa/selftest/cases/bbtests.py
+++ b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
@@ -40,8 +40,8 @@
     def test_event_handler(self):
         self.write_config("INHERIT += \"test_events\"")
         result = bitbake('m4-native')
-        find_build_started = re.search("NOTE: Test for bb\.event\.BuildStarted(\n.*)*NOTE: Executing RunQueue Tasks", result.output)
-        find_build_completed = re.search("Tasks Summary:.*(\n.*)*NOTE: Test for bb\.event\.BuildCompleted", result.output)
+        find_build_started = re.search(r"NOTE: Test for bb\.event\.BuildStarted(\n.*)*NOTE: Executing RunQueue Tasks", result.output)
+        find_build_completed = re.search(r"Tasks Summary:.*(\n.*)*NOTE: Test for bb\.event\.BuildCompleted", result.output)
         self.assertTrue(find_build_started, msg = "Match failed in:\n%s"  % result.output)
         self.assertTrue(find_build_completed, msg = "Match failed in:\n%s" % result.output)
         self.assertFalse('Test for bb.event.InvalidEvent' in result.output, msg = "\"Test for bb.event.InvalidEvent\" message found during bitbake process. bitbake output: %s" % result.output)
@@ -196,7 +196,7 @@
     @OETestID(1031)
     def test_version(self):
         result = runCmd('bitbake -s | grep wget')
-        find = re.search("wget *:([0-9a-zA-Z\.\-]+)", result.output)
+        find = re.search(r"wget *:([0-9a-zA-Z\.\-]+)", result.output)
         self.assertTrue(find, "No version returned for searched recipe. bitbake output: %s" % result.output)
 
     @OETestID(1032)