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/meta/lib/oe/terminal.py b/poky/meta/lib/oe/terminal.py
index 94afe39..caeb5e3 100644
--- a/poky/meta/lib/oe/terminal.py
+++ b/poky/meta/lib/oe/terminal.py
@@ -112,7 +112,7 @@
             bb.event.fire(bb.event.LogExecTTY(msg, "screen -r %s" % s_id,
                                               0.5, 10), d)
         else:
-            logger.warn(msg)
+            logger.warning(msg)
 
 class TmuxRunning(Terminal):
     """Open a new pane in the current running tmux window"""
@@ -168,7 +168,7 @@
         if d:
             bb.event.fire(bb.event.LogExecTTY(msg, attach_cmd, 0.5, 10), d)
         else:
-            logger.warn(msg)
+            logger.warning(msg)
 
 class Custom(Terminal):
     command = 'false' # This is a placeholder
@@ -180,7 +180,7 @@
             if not '{command}' in self.command:
                 self.command += ' {command}'
             Terminal.__init__(self, sh_cmd, title, env, d)
-            logger.warn('Custom terminal was started.')
+            logger.warning('Custom terminal was started.')
         else:
             logger.debug(1, 'No custom terminal (OE_TERMINAL_CUSTOMCMD) set')
             raise UnsupportedTerminal('OE_TERMINAL_CUSTOMCMD not set')