Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/8c0ef7fad676827125ad91060361d05ab4b16f44/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
Guillaume GARDET 7a77e909a2 fs: cbfs: Fix build of fs/cbfs/cbfs.c when building u-boot sandbox on x86 32-bit 9 years ago
..
Makefile
cbfs.c