Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/c9abb4260c30fbfd51bb2cd551e7426e2ae15b66/dts You should set ROOT_URL correctly, otherwise the web may not work correctly.
upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
 
 
 
 
 
 
u-boot/dts
Simon Glass bbb0b128c3 fdt: Add support for embedded device tree (CONFIG_OF_EMBED) 14 years ago
..
Makefile fdt: Add support for embedded device tree (CONFIG_OF_EMBED) 14 years ago