consumerir: move consumerir_get_num_carrier_freqs before first use

* Implicit declaration results in static/non-static mismatch

Change-Id: I1ff2682697a45e37c28f71f580480296306704e8
diff --git a/consumerir/consumerir.c b/consumerir/consumerir.c
index c707a5b..e41d447 100644
--- a/consumerir/consumerir.c
+++ b/consumerir/consumerir.c
@@ -133,6 +133,11 @@
     return -ENOMEM;
 }
 
+static int consumerir_get_num_carrier_freqs(UNUSED struct consumerir_device *dev)
+{
+    return ARRAY_SIZE(consumerir_freqs);
+}
+
 static int consumerir_get_carrier_freqs(struct consumerir_device *dev,
     size_t len, consumerir_freq_range_t *ranges)
 {
@@ -151,11 +156,6 @@
     return 0;
 }
 
-static int consumerir_get_num_carrier_freqs(UNUSED struct consumerir_device *dev)
-{
-    return ARRAY_SIZE(consumerir_freqs);
-}
-
 /*
  * Generic device handling
  */