cpu_map: Add more signatures for IvyBridge CPU models

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

src/cpu_map/x86_IvyBridge-IBRS.xml

 <cpus>
   <model name='IvyBridge-IBRS'>
     <signature family='6' model='58'/> <!-- 0306a0 -->
+    <signature family='6' model='62'/> <!-- 0306e0 -->
     <vendor name='Intel'/>
     <feature name='aes'/>
     <feature name='apic'/>

src/cpu_map/x86_IvyBridge.xml

 <cpus>
   <model name='IvyBridge'>
     <signature family='6' model='58'/> <!-- 0306a0 -->
+    <signature family='6' model='62'/> <!-- 0306e0 -->
     <vendor name='Intel'/>
     <feature name='aes'/>
     <feature name='apic'/>