Improvements for machine

clean up ci failures and add appropriate arch,os exclusion tags

Signed-off-by: baude <bbaude@redhat.com>

pkg/machine/qemu/options_darwin_amd64.go

@@ -0,0 +1,18 @@
+package qemu
+
+var (
+	QemuCommand = "qemu-system-x86_64"
+)
+
+func (v *MachineVM) addArchOptions() []string {
+	opts := []string{"-cpu", "host"}
+	return opts
+}
+
+func (v *MachineVM) prepare() error {
+	return nil
+}
+
+func (v *MachineVM) archRemovalFiles() []string {
+	return []string{}
+}