sched/rt: Move rt specific bits into new header file

Move rt scheduler definitions out of include/linux/sched.h into
new file include/linux/sched/rt.h

Signed-off-by: Clark Williams <williams@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20130207094707.7b9f825f@riff.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index b3c4a25..40e5b39 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -15,6 +15,7 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/sched.h>
+#include <linux/sched/rt.h>
 #include <linux/interrupt.h>
 #include <linux/mm.h>
 #include <linux/fs.h>