ARM: kirkwood: Add LS-XHL and LS-CHLv2 support

Add support for Buffalo Linkstation LS-XHL and LS-CHLv2 using the device
tree where possible.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index cb636d0..ca5c15a 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -101,6 +101,14 @@
 	  Say 'Y' here if you want your kernel to support the
 	  Seagate GoFlex Net (Flattened Device Tree).
 
+config MACH_LSXL_DT
+	bool "Buffalo Linkstation LS-XHL, LS-CHLv2 (Flattened Device Tree)"
+	select ARCH_KIRKWOOD_DT
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Buffalo Linkstation LS-XHL & LS-CHLv2 devices, using
+	  Flattened Device Tree.
+
 config MACH_TS219
 	bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS"
 	help