test.cmake: fix av1_convolve_2d_test* logic

only include with HAVE_SSE2, this matches test.mk

Change-Id: I2190b8d06058d6325bc19816f64f929701670942
diff --git a/test/test.cmake b/test/test.cmake
index a02f920..033dc73 100644
--- a/test/test.cmake
+++ b/test/test.cmake
@@ -223,11 +223,15 @@
     if (CONFIG_CONVOLVE_ROUND)
       set(AOM_UNIT_TEST_ENCODER_SOURCES
           ${AOM_UNIT_TEST_ENCODER_SOURCES}
-          "${AOM_ROOT}/test/av1_convolve_2d_test.cc"
-          "${AOM_ROOT}/test/av1_convolve_2d_test_util.cc"
-          "${AOM_ROOT}/test/av1_convolve_2d_test_util.h"
           "${AOM_ROOT}/test/convolve_round_test.cc")
+      if (HAVE_SSE2)
+        set(AOM_UNIT_TEST_ENCODER_SOURCES
+            ${AOM_UNIT_TEST_ENCODER_SOURCES}
+            "${AOM_ROOT}/test/av1_convolve_2d_test.cc"
+            "${AOM_ROOT}/test/av1_convolve_2d_test_util.cc"
+            "${AOM_ROOT}/test/av1_convolve_2d_test_util.h")
       endif ()
+    endif ()
 
     if (CONFIG_EXT_INTER)
       set(AOM_UNIT_TEST_ENCODER_SOURCES