Blackfin arch: include linux headers that this one uses definitions from fro sport drivers

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

arch/blackfin/include/asm/bfin_sport.h

@@ -9,6 +9,13 @@
 #ifndef __BFIN_SPORT_H__
 #define __BFIN_SPORT_H__
 
+#ifdef __KERNEL__
+#include <linux/cdev.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+#include <linux/wait.h>
+#endif
+
 #define SPORT_MAJOR	237
 #define SPORT_NR_DEVS	2