[3/16][binutils][AARCH64]Add relocation support for large memory model. [GAS] Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 Support

[Nick Clifton]

Hi Renlin,

> bfd/ChangeLog:
>
> 2015-09-08  Renlin Li  <renlin.li@arm.com>
>
>      * reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G1): New.
>      * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
>          MOVW_GOTOFF_G1.
>      * libbfd.h: Regenerate.
>      * bfd-in2.h: Regenerate.
>
> gas/ChangeLog:
>
> 2015-09-08  Renlin Li  <renlin.li@arm.com>
>
>      * config/tc-aarch64.c (reloc_table): New relocation modifier
>          gotoff_g1.
>      (process_movw_reloc_info): Support newly added modifier.
>      (md_apply_fix): Likewise.
>
> gas/testsuite/ChangeLog:
>
> 2015-09-08  Renlin Li  <renlin.li@arm.com>
>
>      * gas/aarch64/reloc-gotoff_g1.s: New.
>      * gas/aarch64/reloc-gotoff_g1.d: New.

Approved - please apply.

Cheers
   Nick