[binutils-gdb] Correct nios2 _gp address computation.

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT a7be2893a6449e64fe6cfcdd8700b0a367a69f19 ***

Author: Sandra Loosemore <sandra@codesourcery.com>
Branch: master
Commit: a7be2893a6449e64fe6cfcdd8700b0a367a69f19

Correct nios2 _gp address computation.

2015-12-27  Sandra Loosemore  <sandra@codesourcery.com>

	bfd/
	* elf32-nios2.c (nios2_elf_assign_gp): Correct computation of _gp
	address.
	(nios2_elf32_relocate_section): Tidy code for R_NIOS2_GPREL error
	messages.