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/bitbake/lib/bb/pysh/pyshyacc.py b/poky/bitbake/lib/bb/pysh/pyshyacc.py
index ba4cefd..de565dc 100644
--- a/poky/bitbake/lib/bb/pysh/pyshyacc.py
+++ b/poky/bitbake/lib/bb/pysh/pyshyacc.py
@@ -636,13 +636,16 @@
 def p_error(p):
     msg = []
     w = msg.append
-    w('%r\n' % p)
-    w('followed by:\n')
-    for i in range(5):
-        n = yacc.token()
-        if not n:
-            break
-        w('  %r\n' % n)
+    if p:
+        w('%r\n' % p)
+        w('followed by:\n')
+        for i in range(5):
+            n = yacc.token()
+            if not n:
+                break
+            w('  %r\n' % n)
+    else:
+        w('Unexpected EOF')
     raise sherrors.ShellSyntaxError(''.join(msg))
 
 # Build the parser