Add thunderx support to gas

Upstream-Status: Submitted [https://sourceware.org/ml/binutils/2014-10/msg00170.html]

Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa@mvista.com>

Author: Andrew Pinski <apinski@cavium.com>
Date: Mon, 20 Oct 2014 11:42:58 -0700

    This patch adds -mcpu=thunderx support to gas.

diff -Naurp git_org/gas/config/tc-aarch64.c git/gas/config/tc-aarch64.c
--- git_org/gas/config/tc-aarch64.c	2015-09-07 02:13:51.988973523 -0700
+++ git/gas/config/tc-aarch64.c	2015-09-07 02:15:21.705981540 -0700
@@ -7206,6 +7206,7 @@ static const struct aarch64_cpu_option_t
 				 AARCH64_FEATURE_CRC), "Cortex-A57"},
   {"cortex-a72", AARCH64_FEATURE (AARCH64_ARCH_V8,
 				  AARCH64_FEATURE_CRC), "Cortex-A72"},
+  {"thunderx",		AARCH64_ARCH_V8, "Cavium ThunderX"},				  
   {"exynos-m1", AARCH64_FEATURE (AARCH64_ARCH_V8,
 				 AARCH64_FEATURE_CRC | AARCH64_FEATURE_CRYPTO),
 				 "Samsung Exynos M1"},
diff -Naurp git_org/gas/doc/c-aarch64.texi git/gas/doc/c-aarch64.texi
--- git_org/gas/doc/c-aarch64.texi	2015-09-07 02:13:51.969973522 -0700
+++ git/gas/doc/c-aarch64.texi	2015-09-07 02:16:03.364985262 -0700
@@ -58,6 +58,7 @@ on the target processor.  The following
 @code{cortex-a53},
 @code{cortex-a57},
 @code{cortex-a72},
+@code{thunderx},
 @code{exynos-m1},
 @code{xgene1},
 and