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/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index 521fad7..3c87ece 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -148,6 +148,13 @@
 	select DM_SERIAL
 	select DM_THERMAL
 
+config TARGET_COLIBRI_IMX6ULL
+	bool "Toradex Colibri iMX6ULL"
+	select BOARD_LATE_INIT
+	select DM
+	select DM_THERMAL
+	select MX6ULL
+
 config TARGET_DHCOMIMX6
 	bool "dh_imx6"
 	select MX6QDL
@@ -530,6 +537,7 @@
 source "board/tqc/tqma6/Kconfig"
 source "board/toradex/apalis_imx6/Kconfig"
 source "board/toradex/colibri_imx6/Kconfig"
+source "board/toradex/colibri-imx6ull/Kconfig"
 source "board/k+p/kp_imx6q_tpc/Kconfig"
 source "board/udoo/Kconfig"
 source "board/udoo/neo/Kconfig"