[PATCH v2] Don't claim a fat IR object if no IR object should be claimed

[Nick Clifton]

Hi H.J.

> Changes in v2:
> 
> 1. Rename lto_ir_object to lto_slim_ir_object and add comments.
> 2. Add bfd_get_lto_type.
> 3. Remove lto_slim_object.
> 4. Change bfd_set_lto_type to set lto_type based on LTO bytecode
> information.
> 5. Change the lto_slim_object check to bfd_get_lto_type (abfd).

Approved - please apply.

Cheers
   Nick