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.inc b/meta-openembedded/meta-python/recipes-devtools/python/python-flask.inc
index ecf5619..66ad1a6 100644
--- a/meta-openembedded/meta-python/recipes-devtools/python/python-flask.inc
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-flask.inc
@@ -4,10 +4,10 @@
 intentions. And before you ask: It’s BSD licensed!"
 HOMEPAGE = "https://github.com/mitsuhiko/flask/"
 LICENSE = "BSD"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=19866b76b054ab30c270c0eb9d7e43d7"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=c011883ac26229b8ba3084f55c7664c6"
 
-SRC_URI[md5sum] = "97278dfdafda98ba7902e890b0289177"
-SRC_URI[sha256sum] = "49f44461237b69ecd901cc7ce66feea0319b9158743dd27a2899962ab214dac1"
+SRC_URI[md5sum] = "824f0f20aae1f44c9c7dc4054adb7969"
+SRC_URI[sha256sum] = "2271c0070dbcb5275fad4a82e29f23ab92682dc45f9dfbc22c02ba9b9322ce48"
 
 CLEANBROKEN = "1"