a few debug cleanups:
a few debug cleanups:

function names in messages didnt always match the actual name of the function.
endian fix when dumping a qtd chain so it terminates correctly on big endian
archs.
dont blame uhci for problems ehci has.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars