Add loongarch64 support

Signed-off-by: Jingyun Hua <huajingyun@loongson.cn>

rear.spec

@@ -2,12 +2,12 @@
 
 Name:           rear
 Version:        2.4
-Release:        3
+Release:        4
 License:        GPLv3
 Summary:        Relax-and-Recover is a setup-and-forget Linux bare metal disaster recovery solution
 URL:            http://relax-and-recover.org/
 Source0:        https://sourceforge.net/projects/rear/files/rear/%{version}/rear-%{version}.tar.gz
-ExclusiveArch:  x86_64
+ExclusiveArch:  x86_64 loongarch64
 Requires:       binutils ethtool gzip iputils parted tar openssl gawk attr bc crontabs iproute
 Requires:       genisoimage util-linux syslinux
 BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
@@ -55,5 +55,8 @@ rm -rf %{buildroot}
 %doc %{_mandir}/man8/rear.8*
 
 %changelog
+* Tue Nov 15 2022 huajingyun <huajingyun@loongson.cn> - 2.4-4
+- Add loongarch64 support
+
 * Wed Feb 26 2020 Ling Yang <lingyang2@huawei.com> - 2.4-3
 - Package Init