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/lib/oe/elf.py b/poky/meta/lib/oe/elf.py
index 0ed59ae..4cc9a9a 100644
--- a/poky/meta/lib/oe/elf.py
+++ b/poky/meta/lib/oe/elf.py
@@ -63,6 +63,7 @@
                         "arm" :       (  40,    97,    0,          True,          32),
                         "armeb":      (  40,    97,    0,          False,         32),
                         "powerpc":    (  20,     0,    0,          False,         32),
+                        "powerpc64":  (  21,     0,    0,          False,         64),
                         "i386":       (   3,     0,    0,          True,          32),
                         "i486":       (   3,     0,    0,          True,          32),
                         "i586":       (   3,     0,    0,          True,          32),