reset upstream subtrees to yocto 2.6

Reset the following subtrees on thud HEAD:

  poky: 87e3a9739d
  meta-openembedded: 6094ae18c8
  meta-security: 31dc4e7532
  meta-raspberrypi: a48743dc36
  meta-xilinx: c42016e2e6

Also re-apply backports that didn't make it into thud:
  poky:
    17726d0 systemd-systemctl-native: handle Install wildcards

  meta-openembedded:
    4321a5d libtinyxml2: update to 7.0.1
    042f0a3 libcereal: Add native and nativesdk classes
    e23284f libcereal: Allow empty package
    030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
    179a1b9 gtest: update to 1.8.1

Squashed OpenBMC subtree compatibility updates:
  meta-aspeed:
    Brad Bishop (1):
          aspeed: add yocto 2.6 compatibility

  meta-ibm:
    Brad Bishop (1):
          ibm: prepare for yocto 2.6

  meta-ingrasys:
    Brad Bishop (1):
          ingrasys: set layer compatibility to yocto 2.6

  meta-openpower:
    Brad Bishop (1):
          openpower: set layer compatibility to yocto 2.6

  meta-phosphor:
    Brad Bishop (3):
          phosphor: set layer compatibility to thud
          phosphor: libgpg-error: drop patches
          phosphor: react to fitimage artifact rename

    Ed Tanous (4):
          Dropbear: upgrade options for latest upgrade
          yocto2.6: update openssl options
          busybox: remove upstream watchdog patch
          systemd: Rebase CONFIG_CGROUP_BPF patch

Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/scripts/contrib/patchreview.py b/poky/scripts/contrib/patchreview.py
index 4e3e73c..a4d5ba6 100755
--- a/poky/scripts/contrib/patchreview.py
+++ b/poky/scripts/contrib/patchreview.py
@@ -132,8 +132,8 @@
             need_blame = True
             if verbose:
                 print("Missing Signed-off-by tag (%s)" % patch)
-        # TODO: disable this for now as too much fails
-        if False and r.malformed_sob:
+
+        if r.malformed_sob:
             need_blame = True
             if verbose:
                 print("Malformed Signed-off-by '%s' (%s)" % (r.malformed_sob, patch))
@@ -203,7 +203,7 @@
 
     if args.directory:
         os.chdir(args.directory)
-    patches = subprocess.check_output(("git", "ls-files", "*.patch", "*.diff")).decode("utf-8").split()
+    patches = subprocess.check_output(("git", "ls-files", "recipes-*/**/*.patch", "recipes-*/**/*.diff")).decode("utf-8").split()
     results = patchreview(patches)
     analyse(results, want_blame=args.blame, verbose=args.verbose)
     if args.histogram: