* util/sparc64/ieee1275/grub-setup.c: New file.
* util/sparc64/ieee1275/grub-ofpathname.c: New file.
* util/sparc64/ieee1275/grub-mkimage.c: New file.
* util/sparc64/ieee1275/grub-install.in: New file.
* util/ieee1275/ofpath.c: New file.
* util/ieee1275/devicemap.c: New file.
* util/devicemap.c: New file.
* util/deviceiter.c: New file.
* kern/sparc64/ieee1275/init.c: New file.
* include/grub/util/ofpath.h: New file.
* include/grub/util/deviceiter.h: New file.
* util/grub-mkdevicemap.c: Include deviceiter.h.
Implement using grub_util_emit_devicemap_entry and
grub_util_iterate_devices.
* conf/i386-corebook.rmk: Build util/deviceiter.c and
util/devicemap.c into grub-mkdevicemap
* conf/i386-efi.rmk: Likewise.
* conf/i386-ieee1275.rmk: Likewise.
* conf/i386-pc.rmk: Likewise.
* conf/powerpc-ieee1275.rmk: Likewise.
* conf/sparc64-ieee1275.rmk: Add rules to build boot block
images and installation utilities. Build kernel as image
instead of as elf binary. Use common rules as much as possible.