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-multimedia/recipes-multimedia/images/meta-multimedia-image-base.bb b/meta-openembedded/meta-multimedia/recipes-multimedia/images/meta-multimedia-image-base.bb
new file mode 100644
index 0000000..249f989
--- /dev/null
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/images/meta-multimedia-image-base.bb
@@ -0,0 +1,7 @@
+SUMMARY = "meta-multimedia build test image"
+
+IMAGE_INSTALL = "packagegroup-core-boot"
+
+LICENSE = "MIT"
+
+inherit core-image