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

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index c45ea74..f1fd3b6 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -40,7 +40,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/string.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
 
 #define PREFIX "HP SDC MLC: "