Use ubuntu @VIM1 to build mainline kernel and install and boot it

@umiddelb : is there a chance to understand emmc partitionning on vim1 and how to change it to something that can help us w/ our current issues before, and using the RadixLinux forum info below, that you mentionned back in 2017 in eMMC Flash Layout ?

https://translate.google.com/translate?hl=de&sl=ru&tl=en&u=https%3A%2F%2Fradix.pro%2Fdevices%2Fkhadas-vim%2F%23emmc_flash