Convert all util-linux/* applets to "new style" applet definitions

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

util-linux/fdformat.c

@@ -4,6 +4,16 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+//config:config FDFORMAT
+//config:	bool "fdformat"
+//config:	default y
+//config:	select PLATFORM_LINUX
+//config:	help
+//config:	  fdformat is used to low-level format a floppy disk.
+
+//applet:IF_FDFORMAT(APPLET(fdformat, BB_DIR_USR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_FDFORMAT) += fdformat.o
 
 //usage:#define fdformat_trivial_usage
 //usage:       "[-n] DEVICE"