hw/arm/vexpress: Alias NOR flash at 0 for vexpress-a9

Make the vexpress-a9 board alias the first NOR flash region at
address zero, like vexpress-a15. This makes "-bios" actually usable
on this board.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Message-id: 1404310070-3561-1-git-send-email-peter.maydell@linaro.org
Reviewed-by: NGreg Bellows <greg.bellows@linaro.org>

hw/arm/vexpress.c

@@ -84,6 +84,7 @@ enum {
 };
 
 static hwaddr motherboard_legacy_map[] = {
+    [VE_NORFLASHALIAS] = 0,
     /* CS7: 0x10000000 .. 0x10020000 */
     [VE_SYSREGS] = 0x10000000,
     [VE_SP810] = 0x10001000,
@@ -114,7 +115,6 @@ static hwaddr motherboard_legacy_map[] = {
     [VE_VIDEORAM] = 0x4c000000,
     [VE_ETHERNET] = 0x4e000000,
     [VE_USB] = 0x4f000000,
-    [VE_NORFLASHALIAS] = -1, /* not present */
 };
 
 static hwaddr motherboard_aseries_map[] = {