Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/a80a999c9b5c128cad2f67b4b32036bd4d667904/fs/cbfs 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/fs/cbfs
Masahiro Yamada 4678d74256 fs: descend into sub directories when it is necessary 12 years ago
..
Makefile fs: descend into sub directories when it is necessary 12 years ago
cbfs.c