Add target_step wrapper:

- replaces all calls to target->type->step.


git-svn-id: svn://svn.berlios.de/openocd/trunk@1965 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/target.h

@@ -410,6 +410,13 @@ extern void target_reset_examined(struct target_s *target);
 extern int target_get_gdb_reg_list(struct target_s *target,
 		struct reg_s **reg_list[], int *reg_list_size);
 
+/**
+ * Step the target.
+ *
+ * This routine is a wrapper for target->type->step.
+ */
+int target_step(struct target_s *target,
+		int current, u32 address, int handle_breakpoints);
 /**
  * Run an algorithm on the @a target given.
  *