cpu_map: Add support for cldemote CPU feature

Added in QEMU by v2.12.0-481-g0da0fb0628 (released in 3.0).
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/cpu_map/x86_features.xml

@@ -310,6 +310,9 @@
   <feature name='la57'>
     <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x00010000'/>
   </feature>
+  <feature name='cldemote'>
+    <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x02000000'/>
+  </feature>
 
   <feature name='avx512-4vnniw'>
     <cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000004'/>