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-devtools/lshw/files/0002-Makefile-Use-supplied-LDFLAGS-to-silence-OE-GNU_HASH.patch b/meta-openembedded/meta-oe/recipes-devtools/lshw/files/0002-Makefile-Use-supplied-LDFLAGS-to-silence-OE-GNU_HASH.patch
new file mode 100644
index 0000000..d3da01b
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-devtools/lshw/files/0002-Makefile-Use-supplied-LDFLAGS-to-silence-OE-GNU_HASH.patch
@@ -0,0 +1,34 @@
+From 75667f8a0ae4f1689ff03eb1768b1ee8cdfbf00d Mon Sep 17 00:00:00 2001
+From: Krzysztof Kozlowski <krzk@kernel.org>
+Date: Wed, 6 Jun 2018 12:49:30 +0200
+Subject: [PATCH 2/2] Makefile: Use supplied LDFLAGS to silence OE GNU_HASH QA
+ warning
+
+Fix OpenEmbedded/Yocto QA warning:
+
+    ERROR: lshw-02.16-r1 do_package_qa: QA Issue: No GNU_HASH in the elf binary: 'build/tmp/work/cortexa5hf-neon-poky-linux-gnueabi/lshw/02.16-r1/packages-split/lshw/usr/sbin/lshw' [ldflags]
+    ERROR: lshw-02.16-r1 do_package_qa: QA run found fatal errors. Please consider fixing them.
+    ERROR: lshw-02.16-r1 do_package_qa: Function failed: do_package_qa
+
+Upstream-Status: Submitted
+Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
+---
+ src/Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/Makefile b/src/Makefile
+index 654b786dd899..a441ba2bb666 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -25,7 +25,7 @@ CXXFLAGS=-g -Wall -g $(INCLUDES) $(DEFINES) $(RPM_OPT_FLAGS)
+ ifeq ($(SQLITE), 1)
+ 	CXXFLAGS+= -DSQLITE $(shell pkg-config --cflags sqlite3)
+ endif
+-LDFLAGS=-L./core/ -g
++LDFLAGS+=-L./core/ -g
+ ifneq ($(shell $(LD) --help 2| grep -- --as-needed), )
+ 	LDFLAGS+= -Wl,--as-needed
+ endif
+-- 
+2.7.4
+