- fix typo in .config filename

package/busybox/Config.in

@@ -112,7 +112,7 @@ config BR2_PACKAGE_BUSYBOX_CONFIG
 	default "package/busybox/busybox-1.6.0.config" if BR2_BUSYBOX_VERSION_1_6_0
 	default "package/busybox/busybox-1.6.0.config" if BR2_BUSYBOX_VERSION_1_6_1
 	default "package/busybox/busybox-1.6.0.config" if BR2_BUSYBOX_VERSION_1_7_0
-	default "package/busybox/busybox-1.6.1.config" if BR2_BUSYBOX_VERSION_1_7_1
+	default "package/busybox/busybox-1.6.0.config" if BR2_BUSYBOX_VERSION_1_7_1
 	help
 	  Some people may wish to use their own modified BusyBox configuration
 	  file, and will specify their config file location with this option.