Remove obsolete target_arch == armv7.

Also, use arm_version >= 7 so things will continue to work when building
for ARMv8 and higher targets.

BUG=3906
R=kjellander@webrtc.org, tkchin@webrtc.org, zhongwei.yao@arm.com

Review URL: https://webrtc-codereview.appspot.com/38379004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7957 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/audio_processing.gypi b/webrtc/modules/audio_processing/audio_processing.gypi
index f3eaaa9..70c549c 100644
--- a/webrtc/modules/audio_processing/audio_processing.gypi
+++ b/webrtc/modules/audio_processing/audio_processing.gypi
@@ -181,7 +181,7 @@
         ['target_arch=="ia32" or target_arch=="x64"', {
           'dependencies': ['audio_processing_sse2',],
         }],
-        ['(target_arch=="arm" and arm_version==7) or target_arch=="armv7" or target_arch=="arm64"', {
+        ['(target_arch=="arm" and arm_version>=7) or target_arch=="arm64"', {
           'dependencies': ['audio_processing_neon',],
         }],
         ['target_arch=="mipsel" and mips_arch_variant!="r6" and android_webview_build==0', {
@@ -240,7 +240,7 @@
         },
       ],
     }],
-    ['(target_arch=="arm" and arm_version==7) or target_arch=="armv7" or target_arch=="arm64"', {
+    ['(target_arch=="arm" and arm_version>=7) or target_arch=="arm64"', {
       'targets': [{
         'target_name': 'audio_processing_neon',
         'type': 'static_library',