Staging: hv: vmbus_drv: Create a common header file to build the vmbus driver

Create a common header file to build the vmbus driver.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/hv.c b/drivers/staging/hv/hv.c
index 2ceced2..dede9ce 100644
--- a/drivers/staging/hv/hv.c
+++ b/drivers/staging/hv/hv.c
@@ -27,6 +27,7 @@
 #include <linux/vmalloc.h>
 
 #include "hyperv.h"
+#include "hyperv_vmbus.h"
 #include "hv_api.h"
 #include "vmbus_private.h"