Added new files device.c and device.h

src/device.h

@@ -0,0 +1,18 @@
+
+#ifndef DEVICE_H
+#define DEVICE_H
+
+enum device {
+	DEVICE_UNKNOWN = 0,
+	DEVICE_ANY,   /* Unspecified / Any device */
+	DEVICE_SU_18, /* Nokia 770 */
+	DEVICE_RX_34, /* Nokia N800 */
+	DEVICE_RX_44, /* Nokia N810 */
+	DEVICE_RX_48, /* Nokia N810 WiMax */
+	DEVICE_RX_51, /* Nokia N900 */
+};
+
+enum device device_from_string(const char * device);
+const char * device_to_string(enum device device);
+
+#endif