* util/ieee1275/ofpath.c (grub_util_info) [STANDALONE]: New function.
(OF_PATH_MAX): Removed.
(MAX_DISK_CAT): New const.
(find_obppath): Use allocated rather than preallocated buffer.
Return result. Argument of_path removed. All users updated.
Add missing fdstat.
(xrealpath): New function.
(block_device_get_sysfs_path_and_link): Remove sysfs argument.
Allocate rather than use preallocated buffer. All users updated.
(__of_path_common): Use allocated rather than preallocatecd buffer.
Return result. Argument of_path removed. All users updated.
(vendor_is_ATA): Read only needed part form the file.
(check_sas): Allocate depending on contents rather than fixed.
(main) [STANDALONE]: Handle NULL result.