Re-enabled closecall even if it's still not working well

RDS PSN works again but update issue (UI ?)
Moved CTCSS stuff to dedicated file

firmware/application/ctcss.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __CTCSS_H_
+#define __CTCSS_H_
+
+#include "ui.hpp"
+
+#define CTCSS_TONES_NB 50
+
+struct ctcss_tone {
+	char PL_code[3];
+	uint16_t num_code;
+	uint32_t frequency;		// Hz * 1000
+};
+
+extern ctcss_tone ctcss_tones[CTCSS_TONES_NB];
+
+#endif/*__CTCSS_H_*/