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/utils/metadata.py b/poky/meta/lib/oeqa/utils/metadata.py
index b7def77..e0808ae 100644
--- a/poky/meta/lib/oeqa/utils/metadata.py
+++ b/poky/meta/lib/oeqa/utils/metadata.py
@@ -72,8 +72,11 @@
             info['commit'] = subprocess.check_output(["git", "rev-parse", "HEAD"], cwd=path).decode('utf-8').strip()
         except subprocess.CalledProcessError:
             pass
+        try:
+            info['commit_count'] = int(subprocess.check_output(["git", "rev-list", "--count", "HEAD"], cwd=path).decode('utf-8').strip())
+        except subprocess.CalledProcessError:
+            pass
         return info
-
     try:
         repo = Repo(path, search_parent_directories=True)
     except (InvalidGitRepositoryError, NoSuchPathError):