LOCAL: fma: enumerate static mpt_sas disk mappings

@@ -52,10 +52,11 @@
  * Properties for binding group: The binding group required in platform
  * specific xml that describes 'bay' nodes containing internal disks.
  */
 #define TOPO_PGROUP_BINDING             "binding"
 #define TOPO_BINDING_OCCUPANT           "occupant-path"
+#define TOPO_BINDING_DRIVER             "driver"
 
 /*
  * device node information.
  */
 typedef struct dev_di_node {