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/recipes-devtools/ccache/ccache_3.6.bb b/poky/meta/recipes-devtools/ccache/ccache_3.6.bb
new file mode 100644
index 0000000..60807be
--- /dev/null
+++ b/poky/meta/recipes-devtools/ccache/ccache_3.6.bb
@@ -0,0 +1,12 @@
+require ccache.inc
+
+LICENSE = "GPLv3+"
+LIC_FILES_CHKSUM = "file://LICENSE.adoc;md5=70762511f9c509cc2a4e4ba2ef687ae3"
+
+SRC_URI[md5sum] = "bd6fd69db28426baf22ec0acdd5c4b2a"
+SRC_URI[sha256sum] = "a3f2b91a2353b65a863c5901251efe48060ecdebec46b5eaec8ea8e092b9e871"
+
+SRC_URI += " \
+            file://0002-dev.mk.in-fix-file-name-too-long.patch \
+            file://0003-Fix-Segmentation-fault-error-when-gcc-o-dev-null.patch \
+"