Pull up following revision(s) (requested by nonaka in ticket #648):
sys/arch/i386/stand/efiboot/efidisk.c: revision 1.3
sys/arch/i386/stand/efiboot/devopen.c: revision 1.3
sys/arch/i386/stand/efiboot/boot.c: revision 1.7
sys/arch/i386/stand/lib/biosdisk.c: revision 1.48

efiboot: fix it can't boot from HDD.

efiboot: more pager.

efiboot: boot device is always efi_distlist first element.

efiboot: fix to find boot partition process.
NetBSD related partitions with no bootme flag set are also candidates
for boot partition.

(martin)