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/configs/thunderx_88xx_defconfig b/configs/thunderx_88xx_defconfig
new file mode 100644
index 0000000..b7078e0
--- /dev/null
+++ b/configs/thunderx_88xx_defconfig
@@ -0,0 +1,24 @@
+CONFIG_ARM=y
+CONFIG_TARGET_THUNDERX_88XX=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEFAULT_DEVICE_TREE="thunderx-88xx"
+CONFIG_SYS_EXTRA_OPTIONS="ARM64"
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="ThunderX_88XX> "
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_NET is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_DM=y
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_PL011=y
+CONFIG_DEBUG_UART_BASE=0x87e024000000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_REGEX=y