hw/smbios: Restrict access to "hw/smbios/ipmi.h"

All the consumers of "hw/smbios/ipmi.h" are located in hw/smbios/.
There is no need to have this include publicly exposed,
reduce the visibility by moving it in hw/smbios/.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/smbios/smbios.c

@@ -28,7 +28,7 @@
 #include "hw/loader.h"
 #include "exec/cpu-common.h"
 #include "smbios_build.h"
-#include "hw/smbios/ipmi.h"
+#include "smbios_ipmi.h"
 
 /* legacy structures and constants for <= 2.0 machines */
 struct smbios_header {

hw/smbios/smbios_type_38-stub.c

@@ -8,7 +8,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "hw/smbios/ipmi.h"
+#include "smbios_ipmi.h"
 
 void smbios_build_type_38_table(void)
 {

hw/smbios/smbios_type_38.c

@@ -9,10 +9,10 @@
 
 #include "qemu/osdep.h"
 #include "hw/ipmi/ipmi.h"
-#include "hw/smbios/ipmi.h"
 #include "hw/smbios/smbios.h"
 #include "qemu/error-report.h"
 #include "smbios_build.h"
+#include "smbios_ipmi.h"
 
 /* SMBIOS type 38 - IPMI */
 struct smbios_type_38 {