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/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot_git.bb b/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot_git.bb
index 6d79e8f..4b20e1e 100644
--- a/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot_git.bb
+++ b/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot_git.bb
@@ -6,7 +6,9 @@
 PV = "0.6+git${SRCPV}"
 S = "${WORKDIR}/git"
 SRC_URI = "git://github.com/kexecboot/kexecboot.git"
-SRCREV = "4c01d6960aa6a9d03675605062469ab777fa2b01"
+SRC_URI_append_libc-klibc = " file://0001-kexecboot-Use-new-reboot-API-with-klibc.patch "
+
+SRCREV = "7409a1e0aaea61af87c4eca0149cec18a9f58ab6"
 inherit autotools
 
 EXTRA_OECONF = "--enable-textui --enable-delay=2 --enable-evdev-rate=1000,250"