maciotwo: Add methods to override OHARE_ID ids.

devices/ioctrl/macio.h

@@ -350,10 +350,22 @@ public:
         return std::unique_ptr<MacIoTwo>(new MacIoTwo("paddington", MIO_DEV_ID_PADDINGTON));
     }
 
+    void set_fp_id(uint8_t id) {
+        this->fp_id = id;
+    }
+
+    void set_mon_id(uint8_t id) {
+        this->mon_id = id;
+    }
+
     void set_media_bay_id(uint8_t id) {
         this->mb_id = id;
     }
 
+    void set_cpu_id(uint8_t id) {
+        this->cpu_id = id;
+    }
+
     // MMIO device methods
     uint32_t read(uint32_t rgn_start, uint32_t offset, int size) override;
     void write(uint32_t rgn_start, uint32_t offset, uint32_t value, int size) override;