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

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 0e842e0..7bc32f8 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -46,8 +46,7 @@
 #include <linux/timer.h>
 #include <linux/mutex.h>
 #include <linux/list.h>
-
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
 
 #include "mthca_provider.h"
 #include "mthca_doorbell.h"