numa: Move remaining NUMA declarations from sysemu.h to numa.h

Commit e35704ba9c "numa: Move NUMA declarations from sysemu.h to
numa.h" left a few NUMA-related macros behind.  Move them now.

Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190812052359.30071-26-armbru@redhat.com>
diff --git a/hw/core/numa.c b/hw/core/numa.c
index d817f06..450c522 100644
--- a/hw/core/numa.c
+++ b/hw/core/numa.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "sysemu/hostmem.h"
 #include "sysemu/numa.h"
 #include "exec/cpu-common.h"
 #include "exec/ramlist.h"