ARM: mmp: append brownstone support

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index 0711d3b..95e7c4ab 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -37,6 +37,17 @@
 	  Say 'Y' here if you want to support the Marvell PXA910-based
 	  TTC_DKB Development Board.
 
+config MACH_BROWNSTONE
+	bool "Marvell's Brownstone Development Platform"
+	depends on !CPU_MOHAWK
+	select CPU_MMP2
+	help
+	  Say 'Y' here if you want to support the Marvell MMP2-based
+	  Brown Development Platform.
+	  MMP2-based board can't be co-existed with PXA168-based &
+	  PXA910-based development board. Since MMP2 is compatible to
+	  ARMv7 architecture.
+
 config MACH_FLINT
 	bool "Marvell's Flint Development Platform"
 	select CPU_MMP2