How to change live image kernel boot options?

General Discussions
1

Hello everybody,
i want to change boot options for live image.
it has: console=ttyS0,115200 console=tty
i want to change it to console=ttyS0,115200n8

2

You want to change it from the OS, or from the bootloader?

SLR-

3

i want to change it from yocto recipe bbappend or config.