Remove __ARM_NEON__ define check for AArch64

BUG=319
TESTED=local build
R=fbarchard@google.com

Review URL: https://webrtc-codereview.appspot.com/28569005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1095 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1093
+Version: 1095
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1093
+#define LIBYUV_VERSION 1095
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/rotate_neon64.cc

@@ -18,8 +18,7 @@ extern "C" {
 #endif
 
 // This module is for GCC Neon armv8 64 bit.
-#if !defined(LIBYUV_DISABLE_NEON) && \
-    defined(__ARM_NEON__) && defined(__aarch64__)
+#if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
 
 static uvec8 kVTbl4x4Transpose =
   { 0,  4,  8, 12,  1,  5,  9, 13,  2,  6, 10, 14,  3,  7, 11, 15 };

source/row_neon64.cc

@@ -16,8 +16,7 @@ extern "C" {
 #endif
 
 // This module is for GCC Neon armv8 64 bit.
-#if !defined(LIBYUV_DISABLE_NEON) && \
-    defined(__ARM_NEON__) && defined(__aarch64__)
+#if !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
 
 // Read 8 Y, 4 U and 4 V from 422
 #define READYUV422                                                             \