* include/grub/ieee1275/ieee1275.h
(grub_ieee1275_get_integer_property): New function prototype.
* kern/ieee1275/ieee1275.c: Include `<grub/types.h>'.
(grub_ieee1275_get_integer_property): New function. Wraps around
grub_ieee1275_get_property() to handle endianess.
* kern/powerpc/ieee1275/cmain.c (grub_ieee1275_find_options): Replace
grub_ieee1275_get_property() with grub_ieee1275_get_integer_property()
where appropiate.
* kern/powerpc/ieee1275/openfw.c (grub_available_iterate): Likewise.
(grub_map): Likewise.
* kern/sparc64/ieee1275/openfw.c (grub_map): Likewise.