board: toradex: add Colibri iMX6ULL support

Add support for the Colibri iMX6ULL module which comes with
on-board raw NAND.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
diff --git a/board/toradex/colibri-imx6ull/Kconfig b/board/toradex/colibri-imx6ull/Kconfig
new file mode 100644
index 0000000..3ce9885
--- /dev/null
+++ b/board/toradex/colibri-imx6ull/Kconfig
@@ -0,0 +1,29 @@
+if TARGET_COLIBRI_IMX6ULL
+
+config SYS_BOARD
+	default "colibri-imx6ull"
+
+config SYS_VENDOR
+	default "toradex"
+
+config SYS_CONFIG_NAME
+	default "colibri-imx6ull"
+
+config TDX_CFG_BLOCK
+	default y
+
+config TDX_HAVE_NAND
+	default y
+
+config TDX_CFG_BLOCK_OFFSET
+	default "2048"
+
+config TDX_CFG_BLOCK_OFFSET2
+	default "133120"
+
+config TDX_CFG_BLOCK_2ND_ETHADDR
+	default y
+
+source "board/toradex/common/Kconfig"
+
+endif