File _service of Package llvm

<services>
	<service name="tar_scm">
		<param name="scm">git</param>
		<param name="url">git@gitee.com:src-openeuler/llvm.git</param>
		<param name="revision">openEuler-24.03-LTS</param>
		<param name="exclude">*</param>
		<param name="extract">*</param>
	</service>
</services>