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/bootchart2/bootchart2_0.14.8.bb b/poky/meta/recipes-devtools/bootchart2/bootchart2_0.14.8.bb
index b3c889b..396d0ec 100644
--- a/poky/meta/recipes-devtools/bootchart2/bootchart2_0.14.8.bb
+++ b/poky/meta/recipes-devtools/bootchart2/bootchart2_0.14.8.bb
@@ -92,12 +92,12 @@
 
 SRC_URI = "git://github.com/xrmx/bootchart.git \
            file://bootchartd_stop.sh \
-           file://0001-Fixed-Missing-default-value-for-BOOTLOG_DEST.patch \
            file://0001-collector-Allocate-space-on-heap-for-chunks.patch \
           "
 
 S = "${WORKDIR}/git"
-SRCREV = "48e0071048564c6af75ab969e842d6dec808da09"
+SRCREV = "331ada031f1d65f6d934d918f896e1c708c64bf7"
+PV .= "+git${SRCPV}"
 
 inherit systemd update-rc.d python3native update-alternatives