[PATCH, COMMITTED] [AArch64] Replace the :got_prel19: address modifier with :got:

[Marcus Shawcroft]

This patch replaces the aarch64 GAS support for the :got_prel19: address 
modifier with :got:.

Regressed on aarch64-none-elf, committed.

/Marcus

2013-07-03  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/tc-aarch64.c (reloc_table): Merge got_prel19 into got.

gas/testsuite/ChangeLog
2013-07-03  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* gas/aarch64/reloc-insn.s (func): Replace :got_prel19: with :got:.

ld/testsuite/ChangeLog
2013-07-03  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* ld-aarch64/emit-relocs-309.s: Replace got_prel19 with got.
	* ld-aarch64/gc-relocs-309.s: Likewise.