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-support/multipath-tools/files/0030-Always-use-devmapper.patch b/meta-openembedded/meta-oe/recipes-support/multipath-tools/files/0030-Always-use-devmapper.patch
new file mode 100644
index 0000000..1281180
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-support/multipath-tools/files/0030-Always-use-devmapper.patch
@@ -0,0 +1,57 @@
+From d929a1ea5e42ecbe30c990644ed4ada2817c6439 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Mon, 16 Jul 2018 16:00:14 +0800
+Subject: [PATCH]  Always use devmapper
+
+Do not try to compute several _API_ make variables
+from host information when cross-compiling.
+
+Upstream-Status: Inappropriate [embedded specific]
+
+Signed-off-by: Aws Ismail <aws.ismail@windriver.com>
+Signed-off-by: Joe Slater <joe.slater@windriver.com>
+
+Rebase to 0.7.1
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+
+Rebase to 0.7.7
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ libmultipath/Makefile | 19 ++++---------------
+ 1 file changed, 4 insertions(+), 15 deletions(-)
+
+diff --git a/libmultipath/Makefile b/libmultipath/Makefile
+index f51786d..3ad9c48 100644
+--- a/libmultipath/Makefile
++++ b/libmultipath/Makefile
+@@ -20,21 +20,10 @@ ifdef SYSTEMD
+ 	endif
+ endif
+ 
+-ifneq ($(call check_func,dm_task_no_flush,/usr/include/libdevmapper.h),0)
+-	CFLAGS += -DLIBDM_API_FLUSH -D_GNU_SOURCE
+-endif
+-
+-ifneq ($(call check_func,dm_task_set_cookie,/usr/include/libdevmapper.h),0)
+-	CFLAGS += -DLIBDM_API_COOKIE
+-endif
+-
+-ifneq ($(call check_func,udev_monitor_set_receive_buffer_size,/usr/include/libudev.h),0)
+-	CFLAGS += -DLIBUDEV_API_RECVBUF
+-endif
+-
+-ifneq ($(call check_func,dm_task_deferred_remove,/usr/include/libdevmapper.h),0)
+-	CFLAGS += -DLIBDM_API_DEFERRED
+-endif
++CFLAGS += -DLIBDM_API_FLUSH -D_GNU_SOURCE
++CFLAGS += -DLIBDM_API_COOKIE
++CFLAGS += -DLIBUDEV_API_RECVBUF
++CFLAGS += -DLIBDM_API_DEFERRED
+ 
+ OBJS = memory.o parser.o vector.o devmapper.o callout.o \
+ 	hwtable.o blacklist.o util.o dmparser.o config.o \
+-- 
+2.7.4
+