[Buildroot] [PATCH] configs: add pylibfdt where necessary

[Sergey Matyukevich]

Hello,

> Add TARGET_UBOOT_NEEDS_PYLIBFDT to all defconfigs, where u-boot needs
> Python libfdt to build.
> 
> Signed-off-by: Vincent Stehlé <vincent.stehle at laposte.net>
> Cc: Jagan Teki <jagan at amarulasolutions.com>
> Cc: Mike Harmony <mike.harmony at snapav.com>
> Cc: Sergey Matyukevich <geomatsi at gmail.com>
> Cc: Jan Kraval <jan.kraval at gmail.com>
> ---
>  configs/bananapi_m1_defconfig        | 1 +
>  configs/bananapi_m2_plus_defconfig   | 1 +
>  configs/linksprite_pcduino_defconfig | 1 +
>  configs/orangepi_lite_defconfig      | 1 +
>  configs/orangepi_one_defconfig       | 1 +
>  configs/orangepi_pc_defconfig        | 1 +
>  configs/orangepi_pc_plus_defconfig   | 1 +
>  configs/orangepi_zero_defconfig      | 1 +
>  8 files changed, 8 insertions(+)

Thanks !

Tested-by: Sergey Matyukevich <geomatsi at gmail.com>

Actually I tested various build machine settings to check
why things used to work for me w/o this patch. It turns
out that this patch fixes build when swig is not installed
on the build machine.

Regards,
Sergey