uboot-tegra: Set UBOOT_USE_INTREE_DTC
U-Boot 2024.04 for tegra needs swig installed on the host, this
dependency is only checked if UBOOT_USE_INTREE_DTC is set. add the
missing definition.
Fixes: 6832faf3407e ("uboot-tegra: bump version to 2024.04")
Signed-off-by: Hauke Mehrtens <[email protected]>
Hauke Mehrtens