Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/458a070076dc920a7106f0c8f0cfa880503ce498/arch/arc 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

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cpu	…
dts	…
include/asm	…
lib	…
Kconfig	…
Makefile	…
config.mk	…