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-pandas.inc b/meta-openembedded/meta-python/recipes-devtools/python/python-pandas.inc
index b9f84a6..d6ca243 100644
--- a/meta-openembedded/meta-python/recipes-devtools/python/python-pandas.inc
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-pandas.inc
@@ -6,13 +6,13 @@
 LICENSE = "BSD-3-Clause"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=ee0470f2de336c370a71c2f8d5e81c11"
 
-SRC_URI[md5sum] = "c7a2757b607748255f3270221ac61d59"
-SRC_URI[sha256sum] = "44a94091dd71f05922eec661638ec1a35f26d573c119aa2fad964f10a2880e6c"
+SRC_URI[md5sum] = "7b597c7f989652e0c9af5f09a157e3ae"
+SRC_URI[sha256sum] = "5b24ca47acf69222e82530e89111dd9d14f9b970ab2cd3a1c2c78f0c4fbba4f4"
 
 inherit pypi
 
 DEPENDS += " \
-    ${PYTHON_PN}-numpy-native \
+    ${PYTHON_PN}-numpy-native ${PYTHON_PN}-cython-native \
 "
 
 RDEPENDS_${PN} += " \