[binutils-gdb] [AArch64] Fix branch stubs for BE

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT 93ca856967f274a08807135c098bf1bb3f2b59d8 ***

Author: Tejas Belagod <tejas.belagod@arm.com>
Branch: master
Commit: 93ca856967f274a08807135c098bf1bb3f2b59d8

[AArch64] Fix branch stubs for BE
2015-03-26  Tejas Belagod  <tejas.belagod@arm.com>

ld/testsuite
  * ld-aarch64/farcall-back-be.d: New.

bfd/
  * elfnn-aarch64.c (aarch64_build_one_stub): Replace the call to generic
  _bfd_final_link_relocate with aarch64_relocate.