base-passwd: add the wheel group

The wheel group is not declared while it can be used to access the systemd
journal and to configure printers in CUPS. It can also be used for su and sudo
permissions.

So far it was created later in the rootfs postcommand systemd_create_users.

(From OE-Core rev: bebe52ae9576393ebb9d7405fc77fba21e84ba5b)

Signed-off-by: Louis Rannou <lrannou@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/base-passwd/base-passwd/0007-Add-wheel-group.patch

@@ -0,0 +1,20 @@
+
+We need to have a wheel group which has some system privileges to consult the
+systemd journal or manage printers with cups.
+
+Upstream status says the group does not exist by default.
+
+Upstream-Status: Inappropriate [enable feature]
+
+Signed-off-by: Louis Rannou <lrannou@baylibre.com>
+Index: base-passwd-3.5.26/group.master
+===================================================================
+--- base-passwd-3.5.29.orig/group.master
++++ base-passwd-3.5.29/group.master
+@@ -38,5 +38,6 @@
+ staff:*:50:
+ games:*:60:
+ shutdown:*:70:
++wheel:*:80:
+ users:*:100:
+ nogroup:*:65534:

meta/recipes-core/base-passwd/base-passwd_3.6.1.bb

@@ -12,6 +12,7 @@ SRC_URI = "https://launchpad.net/debian/+archive/primary/+files/${BPN}_${PV}.tar
            file://0004-Add-an-input-group-for-the-dev-input-devices.patch \
            file://0005-Add-kvm-group.patch \
            file://0006-Make-it-possible-to-configure-whether-to-use-SELinux.patch \
+           file://0007-Add-wheel-group.patch \
            "
 
 SRC_URI[sha256sum] = "6ff369be59d586ba63c0c5fcb00f75f9953fe49db88bc6c6428f2c92866f79af"