meta: add missing Signed-off-by and Upstream-Status tags

(From OE-Core rev: 4612441b59fd8264fdd5bd4f3e5d195f6085c94c)

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

meta/recipes-devtools/opkg-utils/opkg-utils/0001-Only-use-sort-name-on-versions-of-tar-which-support-.patch

@@ -7,6 +7,8 @@ Subject: [PATCH 1/2] Only use --sort=name on versions of tar which support it.
 
 Signed-off-by: Michael Hansen <michael.j.hansen@hp.com>
 Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
+Upstream-Status: Backport
+
 ---
  opkg-build | 11 ++++++++---
  1 file changed, 8 insertions(+), 3 deletions(-)

meta/recipes-devtools/opkg-utils/opkg-utils/0002-opkg-build-Use-local-time-for-build_date-since-opkg-.patch

@@ -8,6 +8,8 @@ Subject: [PATCH 2/2] opkg-build: Use local time for build_date, since opkg
 
 Signed-off-by: Michael Hansen <michael.j.hansen@hp.com>
 Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
+Upstream-Status: Backport
+
 ---
  opkg-build | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

meta/recipes-devtools/perl/perl/perl-5.26.1-guard_old_libcrypt_fix.patch

@@ -5,7 +5,7 @@ Date:   Sat Jan 20 20:22:53 2018 +0100
     pp: Guard fix for really old bug in glibc libcrypt
 
 Upstream-Status: Pending
-Signed-off-by Richard Purdie <richard.purdie@linuxfoundation.org>
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
 
 diff --git a/pp.c b/pp.c
 index d50ad7ddbf..6510c7b15c 100644

meta/recipes-kernel/linux-libc-headers/linux-libc-headers/0001-if_ether-move-muslc-ethhdr-protection-to-uapi-file.patch

@@ -4,6 +4,7 @@ Date: Thu, 1 Mar 2018 18:31:01 -0500
 Subject: [PATCH] if_ether: move muslc ethhdr protection to uapi file
 
 Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
+Upstream-Status: Pending
 ---
  include/uapi/linux/if_ether.h | 6 ++++++
  1 file changed, 6 insertions(+)