libyuv: cherry-pick MSVC arm build fix

Issue 24479004: Fix building with MSVC for arm
https://webrtc-codereview.appspot.com/24479004/

Change-Id: I758b33a21f46e46af6e58d83b7c045262ac9c7d9

third_party/libyuv/README.libvpx

@@ -13,4 +13,4 @@ which down-samples the original input video (f.g. 1280x720) a number of times
 in order to encode multiple resolution bit streams.
 
 Local Modifications:
-None.
+cherry-pick 'Issue 24479004: Fix building with MSVC for arm'

third_party/libyuv/source/cpu_id.cc

@@ -15,7 +15,8 @@
 #endif
 #if !defined(__pnacl__) && !defined(__CLR_VER) && \
     !defined(__native_client__)  && \
-    defined(_MSC_VER) && (_MSC_FULL_VER >= 160040219)
+    defined(_MSC_VER) && (_MSC_FULL_VER >= 160040219) && \
+    (defined(_M_IX86) || defined(_M_X64))
 #include <immintrin.h>  // For _xgetbv()
 #endif
 

third_party/libyuv/source/row_win.cc

@@ -21,7 +21,8 @@ extern "C" {
 #endif
 
 // This module is for Visual C.
-#if !defined(LIBYUV_DISABLE_X86) && defined(_MSC_VER)
+#if !defined(LIBYUV_DISABLE_X86) && defined(_MSC_VER) && \
+    (defined(_M_IX86) || defined(_M_X64))
 
 #define YG 74  /* (int8)(1.164 * 64 + 0.5) */