[7/16][binutils][AARCH64]Add relocation support for large memory model. [GAS]Add BFD_RELOC_AARCH64_TLSGD_MOVW_G1 support.

[Nick Clifton]

Hi Renlin,

 > bfd/ChangeLog:
> 2015-09-08  Renlin Li <renlin.li@arm.com>
>
>      * reloc.c (BFD_RELOC_AARCH64_TLSGD_MOVW_G1): New entry.
>      * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
>      BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
>      * bfd-in2.h: Regenerate.
>      * libbfd.h: Likewise.
>
>
> gas/ChangeLog:
> 2015-09-08  Renlin Li <renlin.li@arm.com>
>
>      * config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g1.
>      (process_movw_reloc_info): Support BFD_RELOC_AARCH64_TLSGD_MOVW_G1.
>      (md_apply_fix): Likewise.
>      (aarch64_force_relocation): Likewise.
>
> gas/testsuite/ChangeLog:
> 2015-09-08  Renlin Li <renlin.li@arm.com>
>
>      * gas/aarch64/reloc-tlsgd_g1.s: New.
>      * gas/aarch64/reloc-tlsgd_g1.s: New.

Approved - please apply.

Cheers
   Nick