Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/commit/a80a661989d35620465da85d9d9f8179e9c9e843
You should set ROOT_URL correctly, otherwise the web may not work correctly.
The board with sh_eth needs to set CONFIG_SH_ETHER_PHY_MODE.
And SH7734 needs to set value of CONFIG_SH_ETHER_SH7734_MII.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>