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-extended/smartmontools/files/0001-os_linux.cpp-Use-realpath-BSD-POSIX-instead-of-canon.patch b/meta-openembedded/meta-oe/recipes-extended/smartmontools/files/0001-os_linux.cpp-Use-realpath-BSD-POSIX-instead-of-canon.patch
new file mode 100644
index 0000000..91e64d2
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-extended/smartmontools/files/0001-os_linux.cpp-Use-realpath-BSD-POSIX-instead-of-canon.patch
@@ -0,0 +1,28 @@
+From f28aa188e5b0ea85369febe657b8807b8025038b Mon Sep 17 00:00:00 2001
+From: chrfranke <authors@smartmontools.org>
+Date: Wed, 8 Nov 2017 06:15:50 +0000
+Subject: [PATCH] os_linux.cpp: Use 'realpath()' (BSD, POSIX) instead of
+ 'canonicalize_file_name()' (GNU extension). This fixes build on systems with
+ musl libc (#921).
+
+git-svn-id: http://svn.code.sf.net/p/smartmontools/code/trunk@4603 4ea69e1a-61f1-4043-bf83-b5c94c648137
+
+Upstream-Status: Backport [https://www.smartmontools.org/ticket/921]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ os_linux.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/os_linux.cpp b/os_linux.cpp
+index 134d5bc..935f9c7 100644
+--- a/os_linux.cpp
++++ b/os_linux.cpp
+@@ -3176,7 +3176,7 @@ static bool is_hpsa(const char * name)
+ {
+   char path[128];
+   snprintf(path, sizeof(path), "/sys/block/%s/device", name);
+-  char * syshostpath = canonicalize_file_name(path);
++  char * syshostpath = realpath(name, (char *)0);
+   if (!syshostpath)
+     return false;
+