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/lib/recipetool/create_npm.py b/poky/scripts/lib/recipetool/create_npm.py
index bb42a5c..0366788 100644
--- a/poky/scripts/lib/recipetool/create_npm.py
+++ b/poky/scripts/lib/recipetool/create_npm.py
@@ -90,7 +90,7 @@
             runenv = dict(os.environ, PATH=d.getVar('PATH'))
             bb.process.run('npm shrinkwrap', cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         except bb.process.ExecutionError as e:
-            logger.warn('npm shrinkwrap failed:\n%s' % e.stdout)
+            logger.warning('npm shrinkwrap failed:\n%s' % e.stdout)
             return
 
         tmpfile = os.path.join(localfilesdir, 'npm-shrinkwrap.json')
@@ -107,12 +107,12 @@
                            cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         relockbin = os.path.join(NpmRecipeHandler.lockdownpath, 'node_modules', 'lockdown', 'relock.js')
         if not os.path.exists(relockbin):
-            logger.warn('Could not find relock.js within lockdown directory; skipping lockdown')
+            logger.warning('Could not find relock.js within lockdown directory; skipping lockdown')
             return
         try:
             bb.process.run('node %s' % relockbin, cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
         except bb.process.ExecutionError as e:
-            logger.warn('lockdown-relock failed:\n%s' % e.stdout)
+            logger.warning('lockdown-relock failed:\n%s' % e.stdout)
             return
 
         tmpfile = os.path.join(localfilesdir, 'lockdown.json')