enable AVX and update version for 7.1.67 release

Author: foundationdb-ci

cmake/ConfigureCompiler.cmake

@@ -253,7 +253,7 @@ else()
       set(USE_AVX512F OFF)
     endif()
   endif()
-  set(USE_AVX OFF CACHE BOOL "Enable AVX instructions")
+  set(USE_AVX ON CACHE BOOL "Enable AVX instructions")
   if (USE_AVX)
     if (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^x86")
       add_compile_options(-mavx)