Fix older machine type compatibility on power with section footers

I forgot to add compatibility for Power when adding section footers.
Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>

Fixes: 37fb569cSigned-off-by: NJuan Quintela <quintela@redhat.com>

hw/ppc/spapr.c

@@ -34,6 +34,7 @@
 #include "sysemu/cpus.h"
 #include "sysemu/kvm.h"
 #include "kvm_ppc.h"
+#include "migration/migration.h"
 #include "mmu-hash64.h"
 #include "qom/cpu.h"
 
@@ -1851,6 +1852,7 @@ static const TypeInfo spapr_machine_info = {
 
 static void spapr_compat_2_3(Object *obj)
 {
+    savevm_skip_section_footers();
 }
 
 static void spapr_compat_2_2(Object *obj)