Instead of letting the mount -t binfmt_misc … command fail, and simply
telling the user that the command failed: rely on the following check
that prints a better error message on error. If it fails at this point,
the kernel option isn't enabled. Add two comments explaining why
check=False is used in this function while at it.
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lists.sr.ht/~postmarketos/pmbootstrap-devel/%3C20230123064516.1607-1-ollieparanoid@postmarketos.org%3E