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

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 0a9b751..1da55dd 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -33,7 +33,7 @@
 #include <linux/init.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
-#include <asm/semaphore.h>
+#include <linux/semaphore.h>
 #include <asm/atomic.h>
 
 #define SIXPACK_VERSION    "Revision: 0.3.0"