Convert asm/semaphore.h users to linux/semaphore.h

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
diff --git a/drivers/char/snsc.h b/drivers/char/snsc.h
index 8a98169..4be62ed 100644
--- a/drivers/char/snsc.h
+++ b/drivers/char/snsc.h
@@ -22,8 +22,8 @@
 #include <linux/kobject.h>
 #include <linux/fs.h>
 #include <linux/cdev.h>
+#include <linux/semaphore.h>
 #include <asm/sn/types.h>
-#include <asm/semaphore.h>
 
 #define CHUNKSIZE 127