Merge pull request ARMmbed#1579 from ARMmbed/fhss_bug_fix

FHSS: Fixed scramble table bug

Author: Jarkko Paso

source/Service_Libs/fhss/fhss.c

@@ -759,12 +759,8 @@ static void fhss_handle_state_set(const fhss_api_t *api, fhss_states fhss_state,
             tr_debug("Synch same panid %u", pan_id);
             return;
         }
-        if (fhss_structure->bs->fhss_scramble_table == NULL) {
-            if (fhss_generate_scramble_table(fhss_structure)) {
-                tr_error("Failed to generate scramble table");
-                return;
-            }
-        }
+        fhss_generate_scramble_table(fhss_structure);
+
         uint32_t datarate = fhss_structure->callbacks.read_datarate(fhss_structure->fhss_api);
         fhss_set_datarate(fhss_structure, datarate);
         uint8_t mac_address[8];