Update menuconfig items with approximate applet sizes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 9359f90..5975e6f 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -12,7 +12,7 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 //config:config IPCALC
-//config:	bool "ipcalc"
+//config:	bool "ipcalc (4.3 kb)"
 //config:	default y
 //config:	help
 //config:	  ipcalc takes an IP address and netmask and calculates the