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-devtools/ccache/files/0002-dev.mk.in-fix-file-name-too-long.patch b/poky/meta/recipes-devtools/ccache/files/0002-dev.mk.in-fix-file-name-too-long.patch
index 68c2371..16a6e9d 100644
--- a/poky/meta/recipes-devtools/ccache/files/0002-dev.mk.in-fix-file-name-too-long.patch
+++ b/poky/meta/recipes-devtools/ccache/files/0002-dev.mk.in-fix-file-name-too-long.patch
@@ -1,13 +1,13 @@
 From 7dab2995ed8eeccd7b0acd79668bc28f3a2427d5 Mon Sep 17 00:00:00 2001
 From: Robert Yang <liezhi.yang@windriver.com>
 Date: Wed, 16 Sep 2015 19:45:40 -0700
-Subject: [PATCH] dev.mk.in: fix file name too long
+Subject: [PATCH] dev.mk.in: fix file name too long error
 
-The all_cppflags change paths to filename which cause file name too long
+The all_cppflags changes path to filename which causes file name too long
 error when the path is longer than NAME_MAX (usually 255). Strip srcdir
 to fix the problem.
 
-Upstream-Status: Pending
+Upstream-Status: Backport [https://github.com/ccache/ccache/commit/4d86e884d07ba1853a0c70507cc4d04107f57c29]
 
 Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
 
@@ -22,7 +22,7 @@
 @@ -1,7 +1,7 @@
  # GNU make syntax reigns in this file.
  
- all_cflags += -Werror
+ all_cflags += -Werror @more_warnings@
 -all_cppflags += -MD -MP -MF .deps/$(subst .._,,$(subst /,_,$<)).d
 +all_cppflags += -MD -MP -MF .deps/$(subst .._,,$(subst /,_,$(subst $(srcdir)/,,$<))).d