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/bitbake/lib/bb/parse/ast.py b/poky/bitbake/lib/bb/parse/ast.py
index 6690dc5..9d20c32 100644
--- a/poky/bitbake/lib/bb/parse/ast.py
+++ b/poky/bitbake/lib/bb/parse/ast.py
@@ -343,30 +343,31 @@
 
 def finalize(fn, d, variant = None):
     saved_handlers = bb.event.get_handlers().copy()
+    try:
+        for var in d.getVar('__BBHANDLERS', False) or []:
+            # try to add the handler
+            handlerfn = d.getVarFlag(var, "filename", False)
+            if not handlerfn:
+                bb.fatal("Undefined event handler function '%s'" % var)
+            handlerln = int(d.getVarFlag(var, "lineno", False))
+            bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln)
 
-    for var in d.getVar('__BBHANDLERS', False) or []:
-        # try to add the handler
-        handlerfn = d.getVarFlag(var, "filename", False)
-        if not handlerfn:
-            bb.fatal("Undefined event handler function '%s'" % var)
-        handlerln = int(d.getVarFlag(var, "lineno", False))
-        bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln)
+        bb.event.fire(bb.event.RecipePreFinalise(fn), d)
 
-    bb.event.fire(bb.event.RecipePreFinalise(fn), d)
+        bb.data.expandKeys(d)
+        runAnonFuncs(d)
 
-    bb.data.expandKeys(d)
-    runAnonFuncs(d)
+        tasklist = d.getVar('__BBTASKS', False) or []
+        bb.event.fire(bb.event.RecipeTaskPreProcess(fn, list(tasklist)), d)
+        bb.build.add_tasks(tasklist, d)
 
-    tasklist = d.getVar('__BBTASKS', False) or []
-    bb.event.fire(bb.event.RecipeTaskPreProcess(fn, list(tasklist)), d)
-    bb.build.add_tasks(tasklist, d)
+        bb.parse.siggen.finalise(fn, d, variant)
 
-    bb.parse.siggen.finalise(fn, d, variant)
+        d.setVar('BBINCLUDED', bb.parse.get_file_depends(d))
 
-    d.setVar('BBINCLUDED', bb.parse.get_file_depends(d))
-
-    bb.event.fire(bb.event.RecipeParsed(fn), d)
-    bb.event.set_handlers(saved_handlers)
+        bb.event.fire(bb.event.RecipeParsed(fn), d)
+    finally:
+        bb.event.set_handlers(saved_handlers)
 
 def _create_variants(datastores, names, function, onlyfinalise):
     def create_variant(name, orig_d, arg = None):