armv8: cavium: Add ThunderX 88xx board definition

This commit adds basic Cavium ThunderX 88xx board definitions and support.

Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
[trini: Drop CONFIG_SYS_GENERIC_BOARD define]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/cavium/thunderx/Kconfig b/board/cavium/thunderx/Kconfig
new file mode 100644
index 0000000..927d876
--- /dev/null
+++ b/board/cavium/thunderx/Kconfig
@@ -0,0 +1,27 @@
+if TARGET_THUNDERX_88XX
+
+config SYS_CPU
+	string
+	default "armv8"
+
+config SYS_BOARD
+	string
+	default "thunderx"
+
+config SYS_VENDOR
+	string
+	default "cavium"
+
+config SYS_CONFIG_NAME
+	string
+	default "thunderx_88xx"
+
+config CMD_ATF
+	bool "Enable ATF query commands"
+	default y
+	help
+	  Enable vendor specific ATF query commands such as SPI and SD/MMC
+	  devices access, low level environment query, boot device layout
+	  and node count.
+
+endif