add simple beep applet

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
diff --git a/miscutils/Config.in b/miscutils/Config.in
index 6890447..7209d29 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -19,6 +19,12 @@
 	  The bbconfig applet will print the config file with which
 	  busybox was built.
 
+config BEEP
+	bool "beep"
+	default n
+	help
+	  The beep applets beeps in a given freq/Hz.
+
 config CHAT
 	bool "chat"
 	default n