[ARM] Orion: add support for QNAP TS-109/TS-209

This patch adds support for the Orion/MV88F5182 based QNAP
TS-109/TS-209 NAS device. The driver for the S-35390A RTC
chip on this board has been submitted to LKML separately.

Signed-off-by: Byron Bradley <byron.bbradley@gmail.com>
Tested-by: Oyvind Repvik <repvik@kynisk.com>
Tested-by: Tim Ellis <timtimred@foonas.org>
Tested-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
diff --git a/arch/arm/configs/orion_defconfig b/arch/arm/configs/orion_defconfig
index 85b80f6..17a55de 100644
--- a/arch/arm/configs/orion_defconfig
+++ b/arch/arm/configs/orion_defconfig
@@ -147,6 +147,7 @@
 CONFIG_MACH_RD88F5182=y
 CONFIG_MACH_KUROBOX_PRO=y
 CONFIG_MACH_DNS323=y
+CONFIG_MACH_TS209=y
 
 #
 # Boot options