[AArch64] Long branch veneer support far symbol defined by --defsym

[Nick Clifton]

Hi Jiong,

> 2015-07-20  Jiong Wang  <jiong.wang@arm.com>
>
> bfd/
>    * bfd/elfnn-aarch64.c (aarch64_type_of_stub): New parameter "sym_sec".
>    Loose the check for symbol from ABS section.
>    (elfNN_aarch64_size_stubs): Pass sym_sec.
>
> ld/testsuite/
>    * ld-aarch64/farcall-b-defsym.s: New test.
>    * ld-aarch64/farcall-bl-defsym.s: Ditto.
>    * ld-aarch64/farcall-b-defsym.d: New expectation.
>    * ld-aarch64/farcall-bl-defsym.d: Ditto.

Approved - please apply.

Cheers
   Nick