busybox: enable cmp by default (#9133)

SVN-Revision: 26356

package/busybox/config/editors/Config.in

@@ -22,7 +22,7 @@ config BUSYBOX_CONFIG_FEATURE_AWK_LIBM
 
 config BUSYBOX_CONFIG_CMP
 	bool "cmp"
-	default n
+	default y
 	help
 	  cmp is used to compare two files and returns the result
 	  to standard output.