hw/ppc/mac.h: Move PROM and KERNEL defines to board code

The PROM_FILENAME and KERNEL_* defines are used by mac_oldworld and
mac_newworld but they don't have to be identical so these could be
moved to the individual boards.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <5fa693334adf166d23931c81d81ada4e3441ed7d.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 873c9f5..c75c59f 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -83,9 +83,13 @@
 
 #define NDRV_VGA_FILENAME "qemu_vga.ndrv"
 
+#define PROM_FILENAME "openbios-ppc"
 #define PROM_BASE 0xfff00000
 #define PROM_SIZE (1 * MiB)
 
+#define KERNEL_LOAD_ADDR 0x01000000
+#define KERNEL_GAP       0x00100000
+
 #define TYPE_CORE99_MACHINE MACHINE_TYPE_NAME("mac99")
 typedef struct Core99MachineState Core99MachineState;
 DECLARE_INSTANCE_CHECKER(Core99MachineState, CORE99_MACHINE,