those ones are the bootargs used on the installer image, not on the Volumio image.
the installer is an additional image, that in production is written on a SD-card for flashing the Volumio image on EMMC.
the bootargs included in the Volumio image are taken from the file /boot/env.system.txt of the archive vims.tar.xz of the platform-khadas repo
those ones are the bootargs used on the installer image, not on the Volumio image. the installer is an additional image, that in production is written on a SD-card for flashing the Volumio image on EMMC.
the bootargs included in the Volumio image are taken from the file /boot/env.system.txt of the archive vims.tar.xz of the platform-khadas repo