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-raspberrypi/recipes-bsp/common/firmware.inc b/meta-raspberrypi/recipes-bsp/common/firmware.inc
index 3baa1f8..7be848a 100644
--- a/meta-raspberrypi/recipes-bsp/common/firmware.inc
+++ b/meta-raspberrypi/recipes-bsp/common/firmware.inc
@@ -1,11 +1,11 @@
-RPIFW_DATE ?= "20180817"
-SRCREV ?= "53ac68e1eb02138f72a5056efed9dac9d3883a3f"
+RPIFW_DATE ?= "20180924"
+SRCREV ?= "5b49caa17e91d0e64024380119ad739bb201c674"
 RPIFW_SRC_URI ?= "https://github.com/raspberrypi/firmware/archive/${SRCREV}.tar.gz"
 RPIFW_S ?= "${WORKDIR}/firmware-${SRCREV}"
 
 SRC_URI = "${RPIFW_SRC_URI}"
-SRC_URI[md5sum] = "6b3d901decf2fe4fad151e3ebb28cb62"
-SRC_URI[sha256sum] = "3680de3ea9817b10fa8998b0dfa6811e58c96945474f4c782710dcd0a56c8cf0"
+SRC_URI[md5sum] = "51352972a029c6f47bde6d302b69440e"
+SRC_URI[sha256sum] = "d1f9c58957dfe681fff7e1cf1eabb9e0f6fdc99720f1d059fb24a37750573310"
 
 
 PV = "${RPIFW_DATE}"