hw/ppc/mac.h: Rename to include/hw/nvram/mac_nvram.h

All that is left in mac.h now belongs to the nvram emulation so rename
it accordingly and only include it where it is really used.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <b82449369f718c0e207fe8c332fab550fa0230c0.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index c75c59f..eb597bb 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -52,7 +52,7 @@
 #include "qapi/error.h"
 #include "hw/ppc/ppc.h"
 #include "hw/qdev-properties.h"
-#include "hw/ppc/mac.h"
+#include "hw/nvram/mac_nvram.h"
 #include "hw/boards.h"
 #include "hw/pci-host/uninorth.h"
 #include "hw/input/adb.h"