Change TS440 to use kenwood get/set freq instead of ic10 get/set freq

The ic10_set_freq is the same as kenwood_set_freq
The ic10_get_freq uses IF instead of FA/FB for some unknown reason
https://github.com/Hamlib/Hamlib/issues/937

rigs/kenwood/ts440.c

@@ -62,7 +62,7 @@ const struct rig_caps ts440_caps =
     RIG_MODEL(RIG_MODEL_TS440),
     .model_name = "TS-440S",
     .mfg_name =  "Kenwood",
-    .version =  IC10_VER ".1",
+    .version =  IC10_VER ".2",
     .copyright =  "LGPL",
     .status =  RIG_STATUS_STABLE,
     .rig_type =  RIG_TYPE_TRANSCEIVER,
@@ -151,8 +151,8 @@ const struct rig_caps ts440_caps =
     .rig_open = kenwood_open,
     .rig_close = kenwood_close,
     .rig_cleanup = kenwood_cleanup,
-    .set_freq =  ic10_set_freq,
-    .get_freq =  ic10_get_freq,
+    .set_freq =  kenwood_set_freq,
+    .get_freq =  kenwood_get_freq,
     .set_rit =  kenwood_set_rit,
     .get_rit =  kenwood_get_rit,
     .set_xit =  kenwood_set_xit,