Add 600ms wait when newcat.c see rig busy

https://github.com/Hamlib/Hamlib/issues/1100

rigs/yaesu/newcat.c

@@ -10381,6 +10381,8 @@ int newcat_get_cmd(RIG *rig)
 
                 rig_debug(RIG_DEBUG_WARN, "%s: Rig busy - retrying %d of %d: '%s'\n", __func__,
                           retry_count, state->rigport.retry, priv->cmd_str);
+                // DX3000 was taking 1.6 seconds in certain command sequences
+                hl_usleep(600*1000); // 600ms wait should cover most cases hopefully
 
                 rc = -RIG_ERJCTED; /* retry */
                 break;

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20220816"
+#define NEWCAT_VER "20220819"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129