base-passwd: add shutdown group

Since using useradd in sysvinit causes core-image-minimal to
gain shadow utilites instead of using busybox, we add the
shutdown group directly.

[YOCTO #5230]

(From OE-Core rev: 47ebf756efeb88727459165e00c16671854e19a9)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/base-passwd/base-passwd-3.5.26/add_shutdown.patch

@@ -0,0 +1,19 @@
+
+We need to have a shutdown group to allow the shutdown icon
+to work correctly. Any users that want to use shutdown like
+the xuser should be added to this group.
+
+Upstream-Status: Inapporpriate [Embedded]
+
+Signed-off-by: Saul Wold <sgw@linux.intel.com>
+Index: base-passwd-3.5.26/group.master
+===================================================================
+--- base-passwd-3.5.26.orig/group.master
++++ base-passwd-3.5.26/group.master
+@@ -36,5 +36,6 @@ sasl:*:45:
+ plugdev:*:46:
+ staff:*:50:
+ games:*:60:
++shutdown:*:70:
+ users:*:100:
+ nogroup:*:65534:

meta/recipes-core/base-passwd/base-passwd_3.5.26.bb

@@ -6,6 +6,7 @@ LICENSE = "GPLv2+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=eb723b61539feef013de476e68b5c50a"
 
 SRC_URI = "${DEBIAN_MIRROR}/main/b/base-passwd/base-passwd_${PV}.tar.gz \
+           file://add_shutdown.patch \
            file://nobash.patch \
            file://input.patch"