Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/33cf727b1634dbd9cd68a6ebc444a88f053822d7/include/dt-bindings/pinctrl 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/include/dt-bindings/pinctrl
Tom Rini 5b8031ccb4 Add more SPDX-License-Identifier tags 9 years ago
..
am33xx.h
am43xx.h
dra.h
omap.h
pinctrl-tegra-xusb.h
pinctrl-tegra.h
rockchip.h
sun4i-a10.h