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

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

procps/uptime.c

@@ -11,9 +11,6 @@
  *
  * Added FEATURE_UPTIME_UTMP_SUPPORT flag.
  */
-
-/* getopt not needed */
-
 //config:config UPTIME
 //config:	bool "uptime"
 //config:	default y
@@ -30,6 +27,10 @@
 //config:	help
 //config:	  Makes uptime display the number of users currently logged on.
 
+//applet:IF_UPTIME(APPLET(uptime, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_UPTIME) += uptime.o
+
 //usage:#define uptime_trivial_usage
 //usage:       ""
 //usage:#define uptime_full_usage "\n\n"