hypervisor: mshv: fix topology for Intel HW on MSHV

Populating these cpuid with default values so that
CLH can patch with topology information. Otherwise it gets
skipped while setting some topology information.

Signed-off-by: Muminul Islam <muislam@microsoft.com>

hypervisor/src/mshv/mod.rs

@@ -374,7 +374,16 @@ impl hypervisor::Hypervisor for MshvHypervisor {
     /// Get the supported CpuID
     ///
     fn get_supported_cpuid(&self) -> hypervisor::Result<Vec<CpuIdEntry>> {
-        Ok(Vec::new())
+        let mut cpuid = Vec::new();
+        let functions: [u32; 2] = [0x1, 0xb];
+
+        for function in functions {
+            cpuid.push(CpuIdEntry {
+                function,
+                ..Default::default()
+            });
+        }
+        Ok(cpuid)
     }
 
     /// Get maximum number of vCPUs