cpu_map: Add more signatures for Conroe CPU model

Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/cpu_map/x86_Conroe.xml

 <cpus>
   <model name='Conroe'>
     <signature family='6' model='15'/> <!-- 0006f0 -->
+    <signature family='6' model='22'/> <!-- 010660 -->
     <vendor name='Intel'/>
     <feature name='apic'/>
     <feature name='clflush'/>