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/conf/machine/include/tune-power5.inc b/poky/meta/conf/machine/include/tune-power5.inc
index a346c30..39501bd 100644
--- a/poky/meta/conf/machine/include/tune-power5.inc
+++ b/poky/meta/conf/machine/include/tune-power5.inc
@@ -1,4 +1,4 @@
-DEFAULTTUNE ?= "ppc64p5"
+DEFAULTTUNE ?= "ppcp5"
 
 require conf/machine/include/powerpc/arch-powerpc64.inc
 
@@ -19,3 +19,6 @@
 # glibc configure options to get power5 specific library
 GLIBC_EXTRA_OECONF_powerpc64 += "${@bb.utils.contains('TUNE_FEATURES', 'power5', '--with-cpu=power5', '', d)}"
 GLIBC_EXTRA_OECONF_powerpc += "${@bb.utils.contains('TUNE_FEATURES', 'power5', '--with-cpu=power5', '', d)}"
+
+# QEMU usermode fails with invalid instruction error
+MACHINE_FEATURES_BACKFILL_CONSIDERED_append = "${@bb.utils.contains('TUNE_FEATURES', 'power5', ' qemu-usermode', '', d)}"