Reset poky to before our libpam hacks

Things got a bit out of synch with openbmc-config due to the libpam
issues and the migration from the meta-* layers.

Revert the two previous commits and then put the latest poky in with the
libpam revert and get openbmc-config right again.

Revert "Revert "libpam: update 1.3.1 -> 1.5.1""

This reverts commit 87ddd3eab4df68e624b5350ccaab28b3b97547c0.

Revert "poky: subtree update:796be0593a..10c69538c0"

This reverts commit c723b72979bfac6362509cf1fe086900f6641f28.

Change-Id: I3a1f405193aee6a21fe0cd24be9927c143a23d9a
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/poky/documentation/ref-manual/migration-2.1.rst b/poky/documentation/ref-manual/migration-2.1.rst
index 861d048..e8b3ada 100644
--- a/poky/documentation/ref-manual/migration-2.1.rst
+++ b/poky/documentation/ref-manual/migration-2.1.rst
@@ -89,7 +89,7 @@
 having ``libexecdir`` change between recipes makes it very difficult for
 different recipes to invoke binaries that have been installed into
 ``libexecdir``. The Filesystem Hierarchy Standard (i.e.
-https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s07.html) now
+http://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s07.html) now
 recognizes the use of ``${prefix}/libexec/``, giving distributions the
 choice between ``${prefix}/lib`` or ``${prefix}/libexec`` without
 breaking FHS.