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/include/powerpc/arch-powerpc64.inc b/poky/meta/conf/machine/include/powerpc/arch-powerpc64.inc
index f751c6b..d9916d4 100644
--- a/poky/meta/conf/machine/include/powerpc/arch-powerpc64.inc
+++ b/poky/meta/conf/machine/include/powerpc/arch-powerpc64.inc
@@ -7,6 +7,9 @@
 TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'm64', ' -m64', '', d)}"
 TUNE_ARCH .= "${@bb.utils.contains('TUNE_FEATURES', [ 'm64' ], 'powerpc64', '', d)}"
 
+# musl only supports elfv2 ABI for ppc64
+TUNE_CCARGS .= "${@['', ' -mabi=elfv2']['libc-musl' in d.getVar('OVERRIDES').split(':')]}"
+
 # user mode qemu doesn't support ppc64
 MACHINE_FEATURES_BACKFILL_CONSIDERED_append = " ${@bb.utils.contains('TUNE_FEATURES', 'm64', 'qemu-usermode', '', d)}"