polkit-group-rule.inc: add a common template for polkit-rules/user-groups

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

meta-oe/recipes-extended/polkit/polkit-group-rule.inc

@@ -0,0 +1,9 @@
+# polkit must prepare polkid group
+DEPENDS += "polkit"
+
+inherit allarch useradd
+
+do_install_prepend() {
+    install -m 700 -d ${D}${sysconfdir}/polkit-1/rules.d
+    chown polkitd:polkitd ${D}${sysconfdir}/polkit-1/rules.d
+}