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/licenses/BellBird b/meta-openembedded/meta-multimedia/licenses/BellBird
new file mode 100644
index 0000000..bc5c03f
--- /dev/null
+++ b/meta-openembedded/meta-multimedia/licenses/BellBird
@@ -0,0 +1,25 @@
+(c) Copyright the authors of Bellbird. All rights reserved.
+
+Permission is hereby granted, free of charge, to use and distribute  
+this software and its documentation without restriction, including   
+without limitation the rights to use, copy, modify, merge, publish,  
+distribute, sublicense, and/or sell copies of this work, and to      
+permit persons to whom this work is furnished to do so, subject to   
+the following conditions:                                            
+ 1. The code must retain the above copyright notice, this list of    
+    conditions and the following disclaimer.                         
+ 2. Any modifications must be clearly marked as such.                
+ 3. Original authors' names are not deleted.                         
+ 4. The authors' names are not used to endorse or promote products   
+    derived from this software without specific prior written        
+    permission.                                                      
+                                                                     
+THE CONTRIBUTORS TO THIS WORK         
+DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING      
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   
+SHALL THE CONTRIBUTORS BE LIABLE      
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN   
+AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,          
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF       
+THIS SOFTWARE.