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-kernel/linux-libc-headers/linux-libc-headers.inc b/poky/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
index be215af..7f838f6 100644
--- a/poky/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
+++ b/poky/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
@@ -38,6 +38,8 @@
         d.setVar("HEADER_FETCH_VER", "3.0")
     elif major == "4":
         d.setVar("HEADER_FETCH_VER", "4.x")
+    elif major == "5":
+        d.setVar("HEADER_FETCH_VER", "5.x")
     else:
         d.setVar("HEADER_FETCH_VER", "2.6")
 }