Convert all selinux/* applets to "new style" applet definitions

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

selinux/selinuxenabled.c

@@ -6,6 +6,17 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+//config:config SELINUXENABLED
+//config:	bool "selinuxenabled"
+//config:	default n
+//config:	depends on SELINUX
+//config:	help
+//config:	  Enable support for this command to be used within shell scripts
+//config:	  to determine if selinux is enabled.
+
+//applet:IF_SELINUXENABLED(APPLET(selinuxenabled, BB_DIR_USR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_SELINUXENABLED) += selinuxenabled.o
 
 //usage:#define selinuxenabled_trivial_usage NOUSAGE_STR
 //usage:#define selinuxenabled_full_usage ""