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/sstatesig.py b/poky/meta/lib/oe/sstatesig.py
index b82e0f4..18c5a35 100644
--- a/poky/meta/lib/oe/sstatesig.py
+++ b/poky/meta/lib/oe/sstatesig.py
@@ -45,7 +45,7 @@
 
     # allarch packagegroups are assumed to have well behaved names which don't change between architecures/tunes
     if isPackageGroup(fn) and isAllArch(fn) and not isNative(depname):
-        return False  
+        return False
 
     # Exclude well defined machine specific configurations which don't change ABI
     if depname in siggen.abisaferecipes and not isImage(fn):
@@ -150,16 +150,23 @@
         if recipename in self.unlockedrecipes:
             unlocked = True
         else:
+            def get_mc(tid):
+                tid = tid.rsplit('.', 1)[0]
+                if tid.startswith('multiconfig:'):
+                    elems = tid.split(':')
+                    return elems[1]
             def recipename_from_dep(dep):
                 # The dep entry will look something like
                 # /path/path/recipename.bb.task, virtual:native:/p/foo.bb.task,
                 # ...
+
                 fn = dep.rsplit('.', 1)[0]
                 return dataCache.pkg_fn[fn]
 
+            mc = get_mc(fn)
             # If any unlocked recipe is in the direct dependencies then the
             # current recipe should be unlocked as well.
-            depnames = [ recipename_from_dep(x) for x in deps ]
+            depnames = [ recipename_from_dep(x) for x in deps if mc == get_mc(x)]
             if any(x in y for y in depnames for x in self.unlockedrecipes):
                 self.unlockedrecipes[recipename] = ''
                 unlocked = True
@@ -372,8 +379,14 @@
 def find_sstate_manifest(taskdata, taskdata2, taskname, d, multilibcache):
     d2 = d
     variant = ''
+    curr_variant = ''
+    if d.getVar("BBEXTENDCURR") == "multilib":
+        curr_variant = d.getVar("BBEXTENDVARIANT")
+        if "virtclass-multilib" not in d.getVar("OVERRIDES"):
+            curr_variant = "invalid"
     if taskdata2.startswith("virtual:multilib"):
         variant = taskdata2.split(":")[2]
+    if curr_variant != variant:
         if variant not in multilibcache:
             multilibcache[variant] = oe.utils.get_multilib_datastore(variant, d)
         d2 = multilibcache[variant]