Fix 64bit YUV intrinsic performance

bug 17923388

Change-Id: I9ee9ebf05eb5d3b661d8199864f92c14f0d0191d
diff --git a/cpu_ref/rsCpuIntrinsicYuvToRGB.cpp b/cpu_ref/rsCpuIntrinsicYuvToRGB.cpp
index 497e19c..afd3cd3 100644
--- a/cpu_ref/rsCpuIntrinsicYuvToRGB.cpp
+++ b/cpu_ref/rsCpuIntrinsicYuvToRGB.cpp
@@ -161,8 +161,8 @@
         out++;
         x1++;
     }
-// reenable for ARM64 when intrinsic is fixed
-#if defined(ARCH_ARM_USE_INTRINSICS) && !defined(ARCH_ARM64_USE_INTRINSICS)
+
+#if defined(ARCH_ARM_USE_INTRINSICS)
     if((x2 > x1) && gArchUseSIMD) {
         int32_t len = x2 - x1;
         if (cstep == 1) {