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-core/glibc/glibc/0014-Add-unused-attribute.patch b/poky/meta/recipes-core/glibc/glibc/0014-Add-unused-attribute.patch
index 9d6ab30..1cd9147 100644
--- a/poky/meta/recipes-core/glibc/glibc/0014-Add-unused-attribute.patch
+++ b/poky/meta/recipes-core/glibc/glibc/0014-Add-unused-attribute.patch
@@ -1,7 +1,7 @@
-From 2ce5bc6da23dcb402afdeb967fa44c39eecf6d37 Mon Sep 17 00:00:00 2001
+From b9cd992052550d4b2bba954099e221677a6652e7 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Wed, 18 Mar 2015 00:28:41 +0000
-Subject: [PATCH] Add unused attribute
+Subject: [PATCH 14/30] Add unused attribute
 
 Helps in avoiding gcc warning when header is is included in
 a source file which does not use both functions
@@ -17,7 +17,7 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/iconv/gconv_charset.h b/iconv/gconv_charset.h
-index 123e2a62ce..63cc83ec84 100644
+index 91e0ad3141..2e9549fe49 100644
 --- a/iconv/gconv_charset.h
 +++ b/iconv/gconv_charset.h
 @@ -21,7 +21,7 @@
@@ -29,3 +29,6 @@
  strip (char *wp, const char *s)
  {
    int slash_count = 0;
+-- 
+2.20.1
+