only require prefetch_tuning on aarch64

Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>

atune.spec

@@ -3,7 +3,7 @@
 Summary: AI auto tuning system
 Name: atune
 Version: 0.3
-Release: 0.2
+Release: 0.3
 License: Mulan PSL v2
 URL: https://gitee.com/openeuler/A-Tune
 Source: https://gitee.com/openeuler/A-Tune/repository/archive/v%{version}.tar.gz
@@ -17,7 +17,9 @@ Requires: atune-db
 Requires: python3-dict2xml
 Requires: python3-flask-restful
 Requires: python3-pandas
+%ifarch aarch64
 Requires: prefetch_tuning
+%endif
 Requires: perf
 Requires: sysstat
 Requires: hwloc-gui
@@ -137,6 +139,9 @@ make models
 %systemd_postun_with_restart atuned.service
 
 %changelog
+* Wed Sep 9 2020 Zhipeng Xie<xiezhipeng1@huawei.com> - 0.3-0.3
+- only require prefetch_tuning on aarch64
+
 * Mon Sep 7 2020 Zhipeng Xie<xiezhipeng1@huawei.com> - 0.3-0.2
 - fix wrong requires