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-initramfs/classes/klibc.bbclass b/meta-openembedded/meta-initramfs/classes/klibc.bbclass
index b7b72b7..bba10f1 100644
--- a/meta-openembedded/meta-initramfs/classes/klibc.bbclass
+++ b/meta-openembedded/meta-initramfs/classes/klibc.bbclass
@@ -8,9 +8,9 @@
 CC_append_armv7ve = " ${@' -mfloat-abi=${TUNE_CCARGS_MFLOAT}' if (d.getVar('TUNE_CCARGS_MFLOAT') != '') else ''}"
 CC_append_armv7a = " ${@' -mfloat-abi=${TUNE_CCARGS_MFLOAT}' if (d.getVar('TUNE_CCARGS_MFLOAT') != '') else ''}"
 
-CPP_forcevariable = "${CC} -E"
-
 # klcc uses own optimizations by default. See klcc(1) man file.
 export CFLAGS="${TUNE_CCARGS}"
 export CPPFLAGS="${TUNE_CCARGS}"
 export LDFLAGS="${TUNE_CCARGS}"
+
+OVERRIDES =. "libc-klibc:"