Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/src/commit/f3038cde9fc9d7a2c5e3465a2aa497beb1fa199a/nand_spl 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/nand_spl
Joakim Tjernlund ee0270dff7 PowerPC, nand_spl: Add relocation support for -fpic 15 years ago
..
board PowerPC, nand_spl: Add relocation support for -fpic 15 years ago
nand_boot.c Add board support for hawkboard 15 years ago
nand_boot_fsl_elbc.c 83xx/85xx/86xx: LBC register cleanup 15 years ago
nand_boot_fsl_nfc.c Drop support for CONFIG_SYS_ARM_WITHOUT_RELOC 15 years ago