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-raspberrypi/recipes-devtools/pi-blaster/files/0001-pi-blaster-Include-sys-sysmacros.h-for-makedev.patch b/meta-raspberrypi/recipes-devtools/pi-blaster/files/0001-pi-blaster-Include-sys-sysmacros.h-for-makedev.patch
new file mode 100644
index 0000000..b4bc4b2
--- /dev/null
+++ b/meta-raspberrypi/recipes-devtools/pi-blaster/files/0001-pi-blaster-Include-sys-sysmacros.h-for-makedev.patch
@@ -0,0 +1,32 @@
+From 6a6b705ff5cba960c54bdb4d4bcdaa3b00a854a2 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 11 Aug 2018 10:24:24 -0700
+Subject: [PATCH] pi-blaster: Include sys/sysmacros.h for makedev()
+
+In glibc 2.28+ this header is not included indirectly anymore
+
+fixes
+
+ld: pi-blaster.o: in function `mbox_open':
+pi-blaster.c:(.text+0x28): undefined reference to `makedev'
+collect2: error: ld returned 1 exit status
+
+Upstream-Status: Submitted [https://github.com/sarfata/pi-blaster/pull/100]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ pi-blaster.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/pi-blaster.c b/pi-blaster.c
+index 6cfd010..fc4e686 100644
+--- a/pi-blaster.c
++++ b/pi-blaster.c
+@@ -41,6 +41,7 @@ static char VERSION[] = "SNAPSHOT";
+ #include <sys/time.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
++#include <sys/sysmacros.h>
+ #include <fcntl.h>
+ #include <sys/mman.h>
+ #include "mailbox.h"