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-raspberrypi/conf/machine/raspberrypi3-64.conf b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
index 635e4f6..80b6bc4 100644
--- a/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
+++ b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
@@ -11,7 +11,7 @@
     bluez-firmware-rpidistro-bcm4345c0-hcd \
 "
 
-require conf/machine/include/arm/arch-armv8.inc
+require conf/machine/include/tune-cortexa53.inc
 include conf/machine/include/rpi-base.inc
 
 RPI_KERNEL_DEVICETREE = " \