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-multimedia/recipes-multimedia/dvb-apps/files/0005-libucsi-optimization-removal.patch b/meta-openembedded/meta-multimedia/recipes-multimedia/dvb-apps/files/0005-libucsi-optimization-removal.patch
new file mode 100644
index 0000000..f12d35b
--- /dev/null
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/dvb-apps/files/0005-libucsi-optimization-removal.patch
@@ -0,0 +1,13 @@
+diff -r 3d43b280298c lib/libucsi/endianops.h
+--- a/lib/libucsi/endianops.h	Fri Mar 21 20:26:36 2014 +0100
++++ b/lib/libucsi/endianops.h	Fri Jan 19 06:56:15 2018 +0000
+@@ -33,6 +33,9 @@
+ #define __ucsi_packed __attribute__((packed))
+ 
+ 
++#if __GNUC__ >= 6 + (0 >= __GNUC_MINOR__)
++#pragma GCC optimize ("O1")
++#endif
+ 
+ 
+ #if __BYTE_ORDER == __BIG_ENDIAN