bhyve: Fix build

Commit v3.8.0-95-gfd885a06 dropped nmodels parameter from several APIs
in src/cpu/cpu.h, but failed to update all callers.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

src/bhyve/bhyve_driver.c

@@ -1433,7 +1433,7 @@ bhyveConnectBaselineCPU(virConnectPtr conn,
     if (!(cpus = virCPUDefListParse(xmlCPUs, ncpus, VIR_CPU_TYPE_HOST)))
         goto cleanup;
 
-    if (!(cpu = cpuBaseline(cpus, ncpus, NULL, 0,
+    if (!(cpu = cpuBaseline(cpus, ncpus, NULL,
                             !!(flags & VIR_CONNECT_BASELINE_CPU_MIGRATABLE))))
         goto cleanup;