Release 20210525
* buildroot c4e55aae96...c3265889e4 (6):
> apply current terminal settings when starting a bash --login shell
> getty bash --login shell
> customize /etc/profile
> disable system banner (/etc/issue) to be displayed at login
* fontamsoc-sw 0b710e1...a0e14cb (3):
> loader memory test
> use 64bits aligned mbr bootcode size
> use dcacherst before icacherst as it is faster
* linux 5acc7af2053e...13fd60a9ded0 (2):
> use setksl much earlier in the boot process to speed it up
> dcache-handling improvements; wherever possible, icache-flushing only if (vma->vm_flags & VM_EXEC)
