[ARM] mmp: add support for Marvell MMP2

Marvell MMP2 (aka ARMADA610) is a SoC based on PJ4 core. It's
ARMv6 compatible.  Support basic interrupt handler and timer,
and basic support for MMP2 based FLINT platform.

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 daddbef..9163120 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -1,6 +1,6 @@
 if ARCH_MMP
 
-menu "Marvell PXA168/910 Implmentations"
+menu "Marvell PXA168/910/MMP2 Implmentations"
 
 config MACH_ASPENITE
 	bool "Marvell's PXA168 Aspenite Development Board"
@@ -37,6 +37,16 @@
 	  Say 'Y' here if you want to support the Marvell PXA910-based
 	  TTC_DKB Development Board.
 
+config MACH_FLINT
+	bool "Marvell's Flint Development Platform"
+	select CPU_MMP2
+	help
+	  Say 'Y' here if you want to support the Marvell MMP2-based
+	  Flint Development Platform.
+	  MMP2-based board can't be co-existed with PXA168-based &
+	  PXA910-based development board. Since MMP2 is compatible to
+	  ARMv6 architecture.
+
 endmenu
 
 config CPU_PXA168
@@ -51,4 +61,10 @@
 	help
 	  Select code specific to PXA910
 
+config CPU_MMP2
+	bool
+	select CPU_V6
+	select CPU_32v6K
+	help
+	  Select code specific to MMP2. MMP2 is ARMv6 compatible.
 endif