Fixed the SM(S)C) FDC37C93x NVR handling and make any non-PIIX4 machine that uses it, use its full NVR capabilities.

src/nvr_at.c

@@ -309,7 +309,6 @@ typedef struct local_t {
     uint8_t irq_state;
     uint8_t smi_status;
 
-    uint8_t  addr[8];
     uint8_t  wp[2];
     uint8_t  bank[8];
     uint8_t *lock;
@@ -317,6 +316,8 @@ typedef struct local_t {
     int16_t count;
     int16_t state;
 
+    uint16_t  addr[8];
+
     int32_t smi_enable;
 
     uint64_t   ecount;