Update menuconfig items with approximate applet sizes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/cttyhack.c b/shell/cttyhack.c
index f9b59c2..9a5f4bb 100644
--- a/shell/cttyhack.c
+++ b/shell/cttyhack.c
@@ -11,7 +11,7 @@
 //kbuild:lib-$(CONFIG_CTTYHACK) += cttyhack.o
 
 //config:config CTTYHACK
-//config:	bool "cttyhack"
+//config:	bool "cttyhack (2.5 kb)"
 //config:	default y
 //config:	help
 //config:	  One common problem reported on the mailing list is the "can't