MIPS: Lemote 2F: Add NAS support

Kernel support for this machine is almost the same as Fuloong 2F; the only
difference is that it uses the serial port provided by Loongson 2F processor
as Yeeloong 2F does.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/656/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c
index dc6488c..45601e4 100644
--- a/arch/mips/loongson/common/serial.c
+++ b/arch/mips/loongson/common/serial.c
@@ -45,6 +45,7 @@
 	[MACH_LEMOTE_ML2F7]             {PORT_M(3), {} },
 	[MACH_LEMOTE_YL2F89]            {PORT_M(3), {} },
 	[MACH_DEXXON_GDIUM2F10]         {PORT_M(3), {} },
+	[MACH_LEMOTE_NAS]               {PORT_M(3), {} },
 	[MACH_LOONGSON_END]             {},
 };