Optimize the patch for add loongarch64 architecture

icu.spec

@@ -1,6 +1,6 @@
 Name:      icu
 Version:   72.1
-Release:   2
+Release:   3
 Summary:   International Components for Unicode
 License:   MIT and UCD and Public Domain
 URL:       http://site.icu-project.org/
@@ -13,7 +13,9 @@ Requires:      lib%{name} = %{version}-%{release}
 Patch1:    gennorm2-man.patch
 Patch2:    icuinfo-man.patch
 Patch3:    backport-remove-TestJitterbug6175.patch
+%ifarch loongarch
 Patch4:    0001-add-support-loongarch64.patch
+%endif
 
 %description
 Tools and utilities for developing with icu.
@@ -130,6 +132,9 @@ LD_LIBRARY_PATH=lib:stubdata:tools/ctestfw:$LD_LIBRARY_PATH bin/uconv -l
 
 
 %changelog
+* Mon Nov 21 2022 zhouwenpei<zhouwenpei1@h-partners.com> - 72.1-3
+- Optimize the patch for add loongarch64 architecture
+
 * Fri Nov 18 2022 huajingyun <huajingyun@loongson.cn> - 72.1-2
 - add loongarch64 support