LU-5170 lfs: Standardize error messages in lfs_path2fid()

LU-5170 lfs: Standardize error messages in lfs_path2fid()

Error messages in lfs_path2fid() are updated to a standard format.
Messages are prefixed with the name of the utility and the command
that caused the error.  User-provided values are delimited with
single quotes.

Test-Parameters: trivial
Signed-off-by: Steve Guminski <stephenx.guminski@intel.com>
Change-Id: I32ab8650ddced9569837aa3d106ef1708c974bce
Reviewed-on: https://review.whamcloud.com/30670
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>