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-graphics/xorg-xserver/xserver-xorg_1.20.1.bb b/poky/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.1.bb
new file mode 100644
index 0000000..9fd2e8d
--- /dev/null
+++ b/poky/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.1.bb
@@ -0,0 +1,31 @@
+require xserver-xorg.inc
+
+SRC_URI += "file://musl-arm-inb-outb.patch \
+            file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.patch \
+            file://pkgconfig.patch \
+            file://CVE-2018-14665.patch \
+            "
+SRC_URI[md5sum] = "e525846d1d0af5732ba835f2e2ec066d"
+SRC_URI[sha256sum] = "59c99fe86fe75b8164c6567bfc6e982aecc2e4a51e6fbac1b842d5d00549e918"
+
+# These extensions are now integrated into the server, so declare the migration
+# path for in-place upgrades.
+
+RREPLACES_${PN} =  "${PN}-extension-dri \
+                    ${PN}-extension-dri2 \
+                    ${PN}-extension-record \
+                    ${PN}-extension-extmod \
+                    ${PN}-extension-dbe \
+                   "
+RPROVIDES_${PN} =  "${PN}-extension-dri \
+                    ${PN}-extension-dri2 \
+                    ${PN}-extension-record \
+                    ${PN}-extension-extmod \
+                    ${PN}-extension-dbe \
+                   "
+RCONFLICTS_${PN} = "${PN}-extension-dri \
+                    ${PN}-extension-dri2 \
+                    ${PN}-extension-record \
+                    ${PN}-extension-extmod \
+                    ${PN}-extension-dbe \
+                   "