Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/4fcd0b33c7a0db2e86cccdc1831db235a6bc1b2d/include/usb 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

…
..
ci_udc.h	…
designware_udc.h	…
ehci-fsl.h	…
fotg210.h	…
fusbh200.h	…
lin_gadget_compat.h	…
mpc8xx_udc.h	…
pxa27x_udc.h	…
s3c_udc.h	…
udc.h	…
ulpi.h	…