Update menuconfig items with approximate applet sizes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/chat.c b/miscutils/chat.c
index 8df1945..a1dc753 100644
--- a/miscutils/chat.c
+++ b/miscutils/chat.c
@@ -8,7 +8,7 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
 //config:config CHAT
-//config:	bool "chat"
+//config:	bool "chat (6.6 kb)"
 //config:	default y
 //config:	help
 //config:	  Simple chat utility.