mei: add new hbm.h header to export hbm protocol

hbm.h provides access host bus messaging functionality
for other MEI layers

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 6b58b0a..9956aaf 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -20,6 +20,7 @@
 #include <linux/mei.h>
 
 #include "mei_dev.h"
+#include "hbm.h"
 #include "interface.h"
 
 /**