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-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx.inc b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx.inc
index 7b4f9ac..ec056db 100644
--- a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx.inc
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx.inc
@@ -23,6 +23,8 @@
 	[ -n "${KBUILD_DEFCONFIG}" ] && [ -e ${WORKDIR}/defconfig ] && rm ${WORKDIR}/defconfig
 }
 
+inherit kernel-simpleimage
+
 # Default to be only compatible with specific machines or soc families
 COMPATIBLE_MACHINE ?= "^$"
 COMPATIBLE_MACHINE_zynq = ".*"
@@ -42,4 +44,7 @@
 # MicroBlaze BSP fragments
 KERNEL_FEATURES_append_kc705-microblazeel = " bsp/kc705-microblazeel/kc705-microblazeel.scc"
 
-KERNEL_FEATURES_zynqmp += "${@bb.utils.contains('DISTRO_FEATURES', 'xen', ' bsp/xilinx/xen.scc', '', d)}"
+KERNEL_FEATURES_append_zynqmp = "${@bb.utils.contains('DISTRO_FEATURES', 'xen', ' bsp/xilinx/xen.scc', '', d)}"
+
+KERNEL_FEATURES_append_zynqmp = "${@bb.utils.contains('IMAGE_FEATURES', 'fpga-manager', ' features/overlay/overlay.scc', '', d)}"
+
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.1.bb b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.1.bb
deleted file mode 100644
index c3a8f76..0000000
--- a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.1.bb
+++ /dev/null
@@ -1,7 +0,0 @@
-LINUX_VERSION = "4.14"
-XILINX_RELEASE_VERSION = "v2018.1"
-KBRANCH ?= "xlnx_rebase_v4.14"
-SRCREV ?= "4ac76ffacb54712b0361e51d0b7156e53d062e3c"
-
-include linux-xlnx.inc
-
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.3.bb b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.3.bb
new file mode 100644
index 0000000..ade13e3
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-xlnx_2018.3.bb
@@ -0,0 +1,7 @@
+LINUX_VERSION = "4.14"
+XILINX_RELEASE_VERSION = "v2018.3"
+KBRANCH ?= "xlnx_rebase_v4.14"
+SRCREV ?= "eeab73d1207d6fc2082776c954eb19fd7290bfbe"
+
+include linux-xlnx.inc
+
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.cfg b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.cfg
new file mode 100644
index 0000000..44462be
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.cfg
@@ -0,0 +1,3 @@
+# Device Tree support
+CONFIG_OF_CONFIGFS=y
+CONFIG_OF_OVERLAY=y
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.scc b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.scc
new file mode 100644
index 0000000..14f05ff
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/xilinx-kmeta/features/overlay/overlay.scc
@@ -0,0 +1,4 @@
+define KFEATURE_DESCRIPTION "Enable overlay"
+define KFEATURE_COMPATIBILITY board
+
+kconfig hardware overlay.cfg