systemd: avoid using system-auth

Patch systemd-user pam configuartion file to avoid using system-auth
file. Instead, we use common-* files.

(From OE-Core rev: a3c863c4a65737a410a0353d97a0ee538eb82434)

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

meta/recipes-core/systemd/systemd/0001-systemd-user-avoid-using-system-auth.patch

@@ -0,0 +1,27 @@
+Upstream-Status: Inappropriate [oe specific]
+
+Subject: systemd-user: avoid using system-auth
+
+In OE, we don't provide system-auth, instead, we use common-* files.
+So modify systemd-user file to use common-* files.
+
+Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
+---
+ src/login/systemd-user | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/login/systemd-user b/src/login/systemd-user
+index 8112d74..99635af 100644
+--- a/src/login/systemd-user
++++ b/src/login/systemd-user
+@@ -2,5 +2,5 @@
+ #
+ # Used by systemd --user instances.
+ 
+-account  include system-auth
+-session  include system-auth
++account  include common-account
++session  include common-session
+-- 
+1.9.1
+

meta/recipes-core/systemd/systemd_216.bb

@@ -33,6 +33,7 @@ SRC_URI = "git://anongit.freedesktop.org/systemd/systemd;branch=master;protocol=
            file://0001-add-support-for-executing-scripts-under-etc-rcS.d.patch \
            file://0001-missing.h-add-fake-__NR_memfd_create-for-MIPS.patch \
            file://0001-Make-root-s-home-directory-configurable.patch \
+           file://0001-systemd-user-avoid-using-system-auth.patch \
            file://touchscreen.rules \
            file://00-create-volatile.conf \
            file://init \