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/meta-openembedded/meta-oe/recipes-support/multipath-tools/files/0020-multipath-fix-setting-conf-version.patch b/meta-openembedded/meta-oe/recipes-support/multipath-tools/files/0020-multipath-fix-setting-conf-version.patch
new file mode 100644
index 0000000..624f45e
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-support/multipath-tools/files/0020-multipath-fix-setting-conf-version.patch
@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Benjamin Marzinski <bmarzins@redhat.com>
+Date: Fri, 8 Jun 2018 17:23:07 -0500
+Subject: [PATCH] multipath: fix setting conf->version
+
+Commit d3b71498 stopped multipath from setting conf->version. Instead,
+it was always being set to 0.0.0. Multipathd was still setting this
+correctly.
+
+Fixes: d3b71498 "multipath: fix rcu thread cancellation hang"
+Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
+---
+ libmultipath/devmapper.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
+index f2befad..8136d15 100644
+--- a/libmultipath/devmapper.c
++++ b/libmultipath/devmapper.c
+@@ -245,13 +245,13 @@ void libmp_dm_init(void)
+ 	int verbosity;
+ 	unsigned int version[3];
+ 
++	if (dm_prereq(version))
++		exit(1);
+ 	conf = get_multipath_config();
+ 	verbosity = conf->verbosity;
+-	memcpy(version, conf->version, sizeof(version));
++	memcpy(conf->version, version, sizeof(version));
+ 	put_multipath_config(conf);
+ 	dm_init(verbosity);
+-	if (dm_prereq(version))
+-		exit(1);
+ 	dm_udev_set_sync_support(libmp_dm_udev_sync);
+ }
+ 
+-- 
+2.7.4
+