readelf updates for recent dwarf2 additions

[Nick Clifton]

Hi Roland,

> include/elf/
> 2002-09-10  Roland McGrath  <roland@redhat.com>
> 
> 	* dwarf2.h: Updates from GCC version of this file:
> 	(enum dwarf_location_atom): DW_OP_calli -> DW_OP_call_ref.
> 	Add DW_OP_GNU_push_tls_address.
> 	(DW_OP_lo_user): Change to 0xe0.
> 
> binutils/
> 2002-09-10  Roland McGrath  <roland@redhat.com>
> 
> 	* readelf.c (decode_location_expression): DW_OP_calli -> DW_OP_call_ref
> 	Handle DW_OP_GNU_push_tls_address.

Approved and applied.

(I left the #define's for DW_OP_lo_user and DW_OP_hi_user outside of
 the enum as that is the format adopted in the rest of the dwarf2.h
 file).

Cheers
        Nick