Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/65a7c955fa6504afdc24164cbc60525d1452ca5e/arch/nios2 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/arch/nios2
Tom Rini 26d61195f8 fdt: Move fdt_fixup_ethernet to a common place 8 years ago
..
cpu
dts
include/asm
lib
Kconfig
Makefile
config.mk