mips msa vp9 convolve8 avg hv optimization

average improvement ~4x-6x

Change-Id: I7c8b4f2334491be8a859592606e568bc95d019aa
diff --git a/test/convolve_test.cc b/test/convolve_test.cc
index 8565077..d5cb793 100644
--- a/test/convolve_test.cc
+++ b/test/convolve_test.cc
@@ -1820,7 +1820,7 @@
     vp9_convolve_copy_msa, vp9_convolve_avg_msa,
     vp9_convolve8_horiz_msa, vp9_convolve8_avg_horiz_msa,
     vp9_convolve8_vert_msa, vp9_convolve8_avg_vert_msa,
-    vp9_convolve8_msa, vp9_convolve8_avg_c, 0);
+    vp9_convolve8_msa, vp9_convolve8_avg_msa, 0);
 
 INSTANTIATE_TEST_CASE_P(MSA, ConvolveTest, ::testing::Values(
     make_tuple(4, 4, &convolve8_msa),