[AArch64] Relax long branch veneer insertion for non STT_FUNC symbol

[Nick Clifton]

Hi Jiong,

> 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
>
> bfd/
>    (aarch64_type_of_stub): Allow insert long branch veneer for
>    sym_sec != input_sec.
>    (elfNN_aarch64_size_stub): Support STT_SECTION symbol.
>    (elfNN_aarch64_final_link_relocate): Take rela addend into account
>    when calculation destination.
>
>
> ld/testsuite/
>    * ld-aarch64/farcall-section.d: Delete.
>    * ld-aarch64/farcall-section.s: Delete.
>    * ld-aarch64/farcall-b-section.d: New expectation file.
>    * ld-aarch64/farcall-bl-section.d: Likewise.
>    * ld-aarch64/farcall-b-section.s: New testcase.
>    * ld-aarch64/farcall-bl-section.s: Likewise.
>    * ld-aarch64/aarch64-elf.exp: Likewise.

Approved - please apply.

Cheers
   Nick