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/recipes-devtools/gdb/gdb/0004-ppc-ptrace-Define-pt_regs-uapi_pt_regs-on-GLIBC-syst.patch b/poky/meta/recipes-devtools/gdb/gdb/0004-ppc-ptrace-Define-pt_regs-uapi_pt_regs-on-GLIBC-syst.patch
index 357db25..bbe0020 100644
--- a/poky/meta/recipes-devtools/gdb/gdb/0004-ppc-ptrace-Define-pt_regs-uapi_pt_regs-on-GLIBC-syst.patch
+++ b/poky/meta/recipes-devtools/gdb/gdb/0004-ppc-ptrace-Define-pt_regs-uapi_pt_regs-on-GLIBC-syst.patch
@@ -1,7 +1,7 @@
-From 0f6d71118ca914002fcad78d2c8a518223d06bfb Mon Sep 17 00:00:00 2001
+From 1dd5c44474b01d84de60faded960fef4a0a87e41 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Sat, 30 Apr 2016 18:32:14 -0700
-Subject: [PATCH 04/10] ppc/ptrace: Define pt_regs uapi_pt_regs on !GLIBC
+Subject: [PATCH 04/11] ppc/ptrace: Define pt_regs uapi_pt_regs on !GLIBC
  systems
 
 Upstream-Status: Pending
@@ -13,7 +13,7 @@
  2 files changed, 12 insertions(+)
 
 diff --git a/gdb/gdbserver/linux-ppc-low.c b/gdb/gdbserver/linux-ppc-low.c
-index 33a9feb12c..1a9141faef 100644
+index 47428c1529..841a5e02b9 100644
 --- a/gdb/gdbserver/linux-ppc-low.c
 +++ b/gdb/gdbserver/linux-ppc-low.c
 @@ -21,7 +21,13 @@
@@ -28,10 +28,10 @@
 +# undef pt_regs
 +#endif
  
- #include "nat/ppc-linux.h"
- #include "linux-ppc-tdesc.h"
+ #include "arch/ppc-linux-common.h"
+ #include "arch/ppc-linux-tdesc.h"
 diff --git a/gdb/nat/ppc-linux.h b/gdb/nat/ppc-linux.h
-index 5837ea1767..7233929192 100644
+index 3d4d4fdc56..5b93af8d3a 100644
 --- a/gdb/nat/ppc-linux.h
 +++ b/gdb/nat/ppc-linux.h
 @@ -18,7 +18,13 @@
@@ -49,5 +49,5 @@
  
  /* This sometimes isn't defined.  */
 -- 
-2.13.1
+2.18.0