config: add size information for three more applets

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/Config.src b/networking/udhcp/Config.src
index e13a3ec..f16fc0a 100644
--- a/networking/udhcp/Config.src
+++ b/networking/udhcp/Config.src
@@ -60,7 +60,7 @@
 	server.
 
 config UDHCPC
-	bool "udhcpc"
+	bool "udhcpc (24 kb)"
 	default y
 	select PLATFORM_LINUX
 	help