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-python/recipes-devtools/python/python-flask-migrate.inc b/meta-openembedded/meta-python/recipes-devtools/python/python-flask-migrate.inc
index 7af4fe1..dfb20e9 100644
--- a/meta-openembedded/meta-python/recipes-devtools/python/python-flask-migrate.inc
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-flask-migrate.inc
@@ -2,8 +2,8 @@
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=3b69377f79f3f48c661701236d5a6a85"
 
-SRC_URI[md5sum] = "def4106c80897b7fad2afb3bc05360e4"
-SRC_URI[sha256sum] = "b709ca8642559c3c5a81a33ab10839fa052177accd5ba821047a99db635255ed"
+SRC_URI[md5sum] = "aaeee55431d0287063657122ff41a0e6"
+SRC_URI[sha256sum] = "cd1b4e6cb829eeb41c02ad9202d83bef5f4b7a036dd9fad72ce96ad1e22efb07"
 
 PYPI_PACKAGE = "Flask-Migrate"