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/documentation/overview-manual/overview-manual-concepts.xml b/poky/documentation/overview-manual/overview-manual-concepts.xml
index 338a190..c1c1fec 100644
--- a/poky/documentation/overview-manual/overview-manual-concepts.xml
+++ b/poky/documentation/overview-manual/overview-manual-concepts.xml
@@ -82,7 +82,7 @@
             <para>
                 This section briefly introduces BitBake.
                 If you want more information on BitBake, see the
-                <ulink url='&YOCTO_DOCS_BB_URL;#bitbake-user-manual'>BitBake User Manual</ulink>.
+                <ulink url='&YOCTO_DOCS_BB_URL;'>BitBake User Manual</ulink>.
             </para>
 
             <para>
@@ -1091,7 +1091,7 @@
                 <note>
                     Separate documentation exists for the BitBake tool.
                     See the
-                    <ulink url='&YOCTO_DOCS_BB_URL;#bitbake-user-manual'>BitBake User Manual</ulink>
+                    <ulink url='&YOCTO_DOCS_BB_URL;'>BitBake User Manual</ulink>
                     for reference material on BitBake.
                 </note>
             </para>