Increase FT747GX cache timeout to 1500ms as get_freq is taking over 1000ms

rigs/yaesu/ft747.c

@@ -303,7 +303,7 @@ const struct rig_caps ft747_caps =
     RIG_MODEL(RIG_MODEL_FT747),
     .model_name =       "FT-747GX",
     .mfg_name =         "Yaesu",
-    .version =           "20220819.0",
+    .version =           "20220819.1",
     .copyright =         "LGPL",
     .status =            RIG_STATUS_STABLE,
     .rig_type =          RIG_TYPE_MOBILE,

rigs/yaesu/ft747.h

@@ -67,10 +67,9 @@
  * rig_get_mode() in a row.
  *
  * The timeout is set to at least the time to transfer the block (790ms)
- * plus post write delay, plus some margin, but less than 1 second,
- * which may be typical polling period.
+ * plus post write delay, plus some margin as get_freq was taking > 1000ms
  */
-#define FT747_CACHE_TIMEOUT     900
+#define FT747_CACHE_TIMEOUT    1500 
 
 
 #endif /* _FT747_H */