[4/16][binutils][AARCH64]Add relocation support for large memory model. [LD]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support.

[Nick Clifton]

Hi Renlin,

> bfd/ChangeLog:
>
> 2015-09-08  Renlin Li  <renlin.li@arm.com>
>
>      * elfnn-aarch64.c (aarch64_reloc_got_type): Add support
>          for BFD_RELOC_AARCH64_MOVW_GOTOFF_G1.
>      (elfNN_aarch64_gc_sweep_hook): Likewise.
>      (elfNN_aarch64_check_relocs): Likewise
>      * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
>      (_bfd_aarch64_elf_resolve_relocation): Likewise
>      (elfNN_aarch64_final_link_relocate): Calculate offset within GOT.
>
>
> ld/testsuite/ChangeLog:
>
> 2015-09-08  Renlin Li  <renlin.li@arm.com>
>
>      * ld-aarch64/emit-relocs-302.d: New.
>      * ld-aarch64/emit-relocs-302.s: New.
>      * ld-aarch64/aarch64-elf.exp: Run the new test.

Approved - please apply.

Cheers
   Nick