Only print an error if I/O cannot be mapped at egprobe if EGDEBUG is set. Don't panic if I/O cannot be mapped at egattach, print and return instead.
Only print an error if I/O cannot be mapped at egprobe if EGDEBUG is set.
Don't panic if I/O cannot be mapped at egattach, print and return instead.

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