cortex_a : multiple target on the same dap

src/jtag/jtag.h

@@ -164,6 +164,8 @@ struct jtag_tap {
 	struct jtag_tap_event_action *event_action;
 
 	struct jtag_tap* next_tap;
+	/* dap instance if some null if no instance , initialized to 0 by calloc*/
+	struct adiv5_dap *dap; 
 };
 
 void jtag_tap_init(struct jtag_tap *tap);