Added crun configuration

Author: Vinodsathyaseelan

package/Config.in

@@ -2325,6 +2325,7 @@ menu "System tools"
 	source "package/kvmtool/Config.in"
 	source "package/libostree/Config.in"
 	source "package/lxc/Config.in"
+	source "package/crun/Config.in"
 	source "package/mender/Config.in"
 	source "package/mender-grubenv/Config.in"
 	source "package/mfoc/Config.in"