cpu: Add clwb/pcommit CPU features

The features were added to QEMU by commit v2.4.0-1690-gf7fda28094 as
Skylake Server features.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>

src/cpu/cpu_map.xml

@@ -248,9 +248,15 @@
     <feature name='avx512ifma'>
       <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00200000'/>
     </feature>
+    <feature name='pcommit'>
+      <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00400000'/>
+    </feature>
     <feature name='clflushopt'>
       <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00800000'/>
     </feature>
+    <feature name='clwb'>
+      <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x01000000'/>
+    </feature>
     <feature name='avx512pf'>
       <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x04000000'/>
     </feature>

tests/cputestdata/x86_64-cpuid-Xeon-Gold-6148-guest.xml

@@ -23,6 +23,7 @@
   <feature policy='require' name='avx512f'/>
   <feature policy='require' name='avx512dq'/>
   <feature policy='require' name='clflushopt'/>
+  <feature policy='require' name='clwb'/>
   <feature policy='require' name='avx512cd'/>
   <feature policy='require' name='avx512bw'/>
   <feature policy='require' name='avx512vl'/>

tests/cputestdata/x86_64-cpuid-Xeon-Gold-6148-host.xml

@@ -24,6 +24,7 @@
   <feature name='avx512f'/>
   <feature name='avx512dq'/>
   <feature name='clflushopt'/>
+  <feature name='clwb'/>
   <feature name='avx512cd'/>
   <feature name='avx512bw'/>
   <feature name='avx512vl'/>

tests/cputestdata/x86_64-cpuid-Xeon-Gold-6148-json.xml

@@ -7,6 +7,7 @@
   <feature policy='require' name='avx512f'/>
   <feature policy='require' name='avx512dq'/>
   <feature policy='require' name='clflushopt'/>
+  <feature policy='require' name='clwb'/>
   <feature policy='require' name='avx512cd'/>
   <feature policy='require' name='avx512bw'/>
   <feature policy='require' name='avx512vl'/>

tests/domaincapsschemadata/qemu_2.9.0-tcg.x86_64.xml

@@ -38,7 +38,9 @@
       <feature policy='require' name='mpx'/>
       <feature policy='require' name='adx'/>
       <feature policy='require' name='smap'/>
+      <feature policy='require' name='pcommit'/>
       <feature policy='require' name='clflushopt'/>
+      <feature policy='require' name='clwb'/>
       <feature policy='require' name='pku'/>
       <feature policy='require' name='ospke'/>
       <feature policy='require' name='xsaveopt'/>