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-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0008-kexec.c-replace-mising-BLKGETSIZE64.patch b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0008-kexec.c-replace-mising-BLKGETSIZE64.patch
new file mode 100644
index 0000000..cfc51cf
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0008-kexec.c-replace-mising-BLKGETSIZE64.patch
@@ -0,0 +1,32 @@
+From 12c7b09c3152f2b3475d081691a26bd1a5633256 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Tue, 17 Apr 2018 11:38:42 +0200
+Subject: [PATCH] kexec.c: replace missing BLKGETSIZE64
+
+Fix
+
+ kexec.c: In function 'slurp_file_generic':
+ kexec.c:564:19: error: 'BLKGETSIZE64' undeclared
+
+Upstream-Status: Inappropriate [klibc specific]
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+
+---
+ kexec/kexec.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/kexec/kexec.c b/kexec/kexec.c
+index b5a8a1e..7842f8b 100644
+--- a/kexec/kexec.c
++++ b/kexec/kexec.c
+@@ -54,6 +54,10 @@
+ #define KEXEC_LOADED_PATH "/sys/kernel/kexec_loaded"
+ #define KEXEC_CRASH_LOADED_PATH "/sys/kernel/kexec_crash_loaded"
+ 
++#ifndef BLKGETSIZE64
++#define BLKGETSIZE64	_IOR(0x12,114,size_t)
++#endif
++
+ unsigned long long mem_min = 0;
+ unsigned long long mem_max = ULONG_MAX;
+ static unsigned long kexec_flags = 0;