reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta-poky/conf/distro/poky.conf b/poky/meta-poky/conf/distro/poky.conf
index a370b21..6544c03 100644
--- a/poky/meta-poky/conf/distro/poky.conf
+++ b/poky/meta-poky/conf/distro/poky.conf
@@ -1,9 +1,9 @@
 DISTRO = "poky"
 DISTRO_NAME = "Poky (Yocto Project Reference Distro)"
-DISTRO_VERSION = "2.6.2"
-DISTRO_CODENAME = "thud"
+DISTRO_VERSION = "2.6+snapshot-${DATE}"
+DISTRO_CODENAME = "master"
 SDK_VENDOR = "-pokysdk"
-SDK_VERSION := "${@'${DISTRO_VERSION}'.replace('snapshot-${DATE}','snapshot')}"
+SDK_VERSION = "${@d.getVar('DISTRO_VERSION').replace('snapshot-${DATE}', 'snapshot')}"
 
 MAINTAINER = "Poky <poky@yoctoproject.org>"
 
@@ -21,9 +21,9 @@
 
 DISTRO_FEATURES ?= "${DISTRO_FEATURES_DEFAULT} ${DISTRO_FEATURES_LIBC} ${POKY_DEFAULT_DISTRO_FEATURES}"
 
-PREFERRED_VERSION_linux-yocto ?= "4.18%"
+PREFERRED_VERSION_linux-yocto ?= "5.0%"
 
-SDK_NAME = "${DISTRO}-${TCLIBC}-${SDK_ARCH}-${IMAGE_BASENAME}-${TUNE_PKGARCH}"
+SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
 SDKPATH = "/opt/${DISTRO}/${SDK_VERSION}"
 
 DISTRO_EXTRA_RDEPENDS += " ${POKY_DEFAULT_EXTRA_RDEPENDS}"
@@ -39,9 +39,6 @@
 
 TCLIBCAPPEND = ""
 
-QEMU_TARGETS ?= "arm aarch64 i386 mips mipsel mips64 mips64el nios2 ppc x86_64"
-# Other QEMU_TARGETS "sh4"
-
 PREMIRRORS ??= "\
 bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
 cvs://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
@@ -52,17 +49,6 @@
 p4://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \n \
 svn://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n"
 
-MIRRORS =+ "\
-ftp://.*/.*      http://downloads.yoctoproject.org/mirror/sources/ \n \
-http://.*/.*     http://downloads.yoctoproject.org/mirror/sources/ \n \
-https://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \n"
-
-# The CONNECTIVITY_CHECK_URI's are used to test whether we can succesfully
-# fetch from the network (and warn you if not). To disable the test set
-# the variable to be empty.
-# Git example url: git://git.yoctoproject.org/yocto-firewall-test;protocol=git;rev=master
-CONNECTIVITY_CHECK_URIS ?= "https://www.example.com/"
-
 SANITY_TESTED_DISTROS ?= " \
             poky-2.5 \n \
             poky-2.6 \n \