meta: add some missing Upstream-Status tags to patches

Where Signed-off-by statements have been added they were sourced from the
original commit where the author claims creation.

(From OE-Core rev: 3e6f57059d1a5343fe1432fba408ee3f33b4c2f7)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/rpcbind/rpcbind/musl-sunrpc.patch

@@ -4,6 +4,7 @@ aliases. As a workaround we use "sunprc" instead of "portmapper"
 ported from alpine linux
 
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Upstream-Status: Pending
 
 Index: rpcbind-0.2.2/src/rpcbind.c
 ===================================================================

meta/recipes-extended/watchdog/watchdog/watchdog-conf.patch

@@ -1,3 +1,6 @@
+Signed-off-by: Diego Rondini <diego.ml@zoho.com>
+Upstream-Status: Inappropriate
+
 --- watchdog-5.13.orig/watchdog.conf	2013-02-01 12:15:44.000000000 +0100
 +++ watchdog-5.13/watchdog.conf	2014-11-13 10:59:43.233943000 +0100
 @@ -20,7 +20,7 @@

meta/recipes-extended/watchdog/watchdog/watchdog-init.patch

@@ -1,3 +1,6 @@
+Signed-off-by: Diego Rondini <diego.ml@zoho.com>
+Upstream-Status: Inappropriate
+
 --- watchdog-5.13.orig/redhat/watchdog.init	2014-11-12 17:18:39.125943000 +0100
 +++ watchdog-5.13/redhat/watchdog.init	2014-11-12 18:27:36.189943000 +0100
 @@ -7,7 +7,7 @@

meta/recipes-graphics/mesa/mesa-demos/0002-Correctly-implement-with-AC_WITH-glut-so-that-withou.patch

@@ -4,6 +4,9 @@ Date: Wed, 9 Jul 2014 14:30:33 +0200
 Subject: [PATCH 2/9] Correctly implement with AC_WITH(glut) so that
  --without-glut works.
 
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+Upstream-Status: Submitted (https://patchwork.freedesktop.org/patch/64417/)
+
 ---
  configure.ac | 26 +++++++++++++++-----------
  1 file changed, 15 insertions(+), 11 deletions(-)