config: colibri_vf: enable mtd partitions via dt

Use device tree to set MTD partitions of the NAND chip.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
diff --git a/configs/colibri_vf_defconfig b/configs/colibri_vf_defconfig
index 344fe77..8f6ccec 100644
--- a/configs/colibri_vf_defconfig
+++ b/configs/colibri_vf_defconfig
@@ -91,4 +91,5 @@
 CONFIG_VIDEO=y
 CONFIG_SYS_CONSOLE_FG_COL=0x00
 CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_FDT_FIXUP_PARTITIONS=y
 # CONFIG_EFI_UNICODE_CAPITALIZATION is not set