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/qemuppc.conf b/poky/meta/conf/machine/qemuppc.conf
index 537b2f6..bd88eeb 100644
--- a/poky/meta/conf/machine/qemuppc.conf
+++ b/poky/meta/conf/machine/qemuppc.conf
@@ -1,6 +1,6 @@
 #@TYPE: Machine
-#@NAME: qemu PPC Emulator setup
-#@DESCRIPTION: Machine configuration for running an PPC system under qemu emulation
+#@NAME: QEMU PPC machine
+#@DESCRIPTION: Machine configuration for running a PPC system on QEMU
 
 require conf/machine/include/qemu.inc
 require conf/machine/include/tune-ppc7400.inc
@@ -16,6 +16,7 @@
 QB_MACHINE = "-machine mac99"
 QB_CPU = "-cpu G4"
 QB_KERNEL_CMDLINE_APPEND = "console=tty console=ttyS0"
+QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet"
 # Add the 'virtio-rng-pci' device otherwise the guest may run out of entropy
-QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet -device virtio-rng-pci"
+QB_OPT_APPEND += "-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0"
 QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"