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

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

util-linux/findfs.c

@@ -7,6 +7,20 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+//config:config FINDFS
+//config:	bool "findfs"
+//config:	default y
+//config:	select PLATFORM_LINUX
+//config:	select VOLUMEID
+//config:	help
+//config:	  Prints the name of a filesystem with given label or UUID.
+//config:	  WARNING:
+//config:	  With all submodules selected, it will add ~8k to busybox.
+
+/* Benefits from suid root: better access to /dev/BLOCKDEVs: */
+//applet:IF_FINDFS(APPLET(findfs, BB_DIR_SBIN, BB_SUID_MAYBE))
+
+//kbuild:lib-$(CONFIG_FINDFS) += findfs.o
 
 //usage:#define findfs_trivial_usage
 //usage:       "LABEL=label or UUID=uuid"