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/elfutils/files/0007-Fix-control-path-where-we-have-str-as-uninitialized-.patch b/poky/meta/recipes-devtools/elfutils/files/0007-Fix-control-path-where-we-have-str-as-uninitialized-.patch
index 2247704..bba420e 100644
--- a/poky/meta/recipes-devtools/elfutils/files/0007-Fix-control-path-where-we-have-str-as-uninitialized-.patch
+++ b/poky/meta/recipes-devtools/elfutils/files/0007-Fix-control-path-where-we-have-str-as-uninitialized-.patch
@@ -1,6 +1,6 @@
-From 1e91c1d4e37c05cf95058b4b3c3f352d72886f58 Mon Sep 17 00:00:00 2001
+From 8eb100b2e51be5d473b0748a223e2e7f61ec606c Mon Sep 17 00:00:00 2001
 From: Hongxu Jia <hongxu.jia@windriver.com>
-Date: Tue, 15 Aug 2017 17:31:38 +0800
+Date: Fri, 29 Jun 2018 15:14:28 +0800
 Subject: [PATCH 7/7] Fix control path where we have str as uninitialized
  string
 
@@ -21,7 +21,7 @@
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
 Upstream-Status: Pending
 
-Rebase to 0.170
+Rebase to 0.172
 
 Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
 ---
@@ -29,17 +29,17 @@
  1 file changed, 1 insertion(+)
 
 diff --git a/libcpu/i386_disasm.c b/libcpu/i386_disasm.c
-index 831afbe..60fd6d4 100644
+index a7e03f9..837a3a8 100644
 --- a/libcpu/i386_disasm.c
 +++ b/libcpu/i386_disasm.c
 @@ -821,6 +821,7 @@ i386_disasm (Ebl *ebl __attribute__((unused)),
  			    }
- 			  /* Fallthrough */
+ 			  FALLTHROUGH;
  			default:
 +			  str = "";
  			  assert (! "INVALID not handled");
  			}
  		    }
 -- 
-1.8.3.1
+2.7.4