libvpx: Pull from upstream

source/libvpx/vp9/common/arm/neon/vp9_save_reg_neon.asm

Index: source/libvpx/vp9/common/arm/neon/vp9_save_reg_neon.asm
diff --git a/source/libvpx/vp9/common/arm/neon/vp9_save_reg_neon.asm b/source/libvpx/vp9/common/arm/neon/vp9_save_reg_neon.asm
deleted file mode 100644
index 71c3e7077c0f40139c67ba4a6e0c6ce8d6748749..0000000000000000000000000000000000000000
--- a/source/libvpx/vp9/common/arm/neon/vp9_save_reg_neon.asm
+++ /dev/null
@@ -1,36 +0,0 @@
-;
-;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
-;
-;  Use of this source code is governed by a BSD-style license
-;  that can be found in the LICENSE file in the root of the source
-;  tree. An additional intellectual property rights grant can be found
-;  in the file PATENTS.  All contributing project authors may
-;  be found in the AUTHORS file in the root of the source tree.
-;
-
-
-    EXPORT  |vp9_push_neon|
-    EXPORT  |vp9_pop_neon|
-
-    ARM
-    REQUIRE8
-    PRESERVE8
-
-    AREA ||.text||, CODE, READONLY, ALIGN=2
-
-|vp9_push_neon| PROC
-    vst1.i64            {d8, d9, d10, d11}, [r0]!
-    vst1.i64            {d12, d13, d14, d15}, [r0]!
-    bx              lr
-
-    ENDP
-
-|vp9_pop_neon| PROC
-    vld1.i64            {d8, d9, d10, d11}, [r0]!
-    vld1.i64            {d12, d13, d14, d15}, [r0]!
-    bx              lr
-
-    ENDP
-
-    END
-