include: colibri_vf: add missing tdxargs variable

All the other NAND-based boards have tdxargs specified for setting
manual kernel command-line arguments.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/include/configs/colibri_vf.h b/include/configs/colibri_vf.h
index 2485149..c536672 100644
--- a/include/configs/colibri_vf.h
+++ b/include/configs/colibri_vf.h
@@ -49,7 +49,7 @@
 	"ubi.fm_autoconvert=1\0" \
 	"ubiboot=run setup; " \
 	"setenv bootargs ${defargs} ${ubiargs} ${mtdparts} "   \
-	"${setupargs} ${vidargs}; echo Booting from NAND...; " \
+	"${setupargs} ${vidargs} ${tdxargs}; echo Booting from NAND...; " \
 	"ubi part ubi && " \
 	"ubi read ${kernel_addr_r} kernel && " \
 	"ubi read ${fdt_addr_r} dtb && " \