Update menuconfig items with approximate applet sizes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/ash.c

@@ -16,7 +16,7 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 //config:config ASH
-//config:	bool "ash"
+//config:	bool "ash (77 kb)"
 //config:	default y
 //config:	depends on !NOMMU
 //config:	help

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

shell/hush.c

@@ -101,7 +101,7 @@
  *              aaa
  */
 //config:config HUSH
-//config:	bool "hush"
+//config:	bool "hush (64 kb)"
 //config:	default y
 //config:	help
 //config:	  hush is a small shell (25k). It handles the normal flow control