arm: octeontx2: Add support for OcteonTX2 SoC platforms

This patch adds support for all OcteonTX2 96xx/95xx
boards from Marvell.
For 96xx boards, use octeontx_96xx_defconfig and
for 95xx boards, use octeontx_95xx_defconfig.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
diff --git a/arch/arm/mach-octeontx2/Kconfig b/arch/arm/mach-octeontx2/Kconfig
new file mode 100644
index 0000000..8e5cb0f
--- /dev/null
+++ b/arch/arm/mach-octeontx2/Kconfig
@@ -0,0 +1,23 @@
+if ARCH_OCTEONTX2
+
+choice
+	prompt "OcteonTX2 board select"
+	optional
+
+config TARGET_OCTEONTX2_95XX
+	bool "Marvell OcteonTX2 CN95XX"
+
+config TARGET_OCTEONTX2_96XX
+	bool "Marvell OcteonTX2 CN96XX"
+
+endchoice
+
+config SYS_SOC
+	string
+	default "octeontx2"
+
+config SYS_PCI_64BIT
+	bool
+	default y
+
+endif