hw/misc: Use the IEC binary prefix definitions

It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-16-f4bug@amsat.org>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

hw/misc/auxbus.c

@@ -27,6 +27,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 #include "qemu/log.h"
 #include "hw/misc/auxbus.h"
 #include "hw/i2c/i2c.h"
@@ -68,7 +69,7 @@ AUXBus *aux_init_bus(DeviceState *parent, const char *name)
 
     /* Memory related. */
     bus->aux_io = g_malloc(sizeof(*bus->aux_io));
-    memory_region_init(bus->aux_io, OBJECT(bus), "aux-io", (1 << 20));
+    memory_region_init(bus->aux_io, OBJECT(bus), "aux-io", 1 * MiB);
     address_space_init(&bus->aux_addr_space, bus->aux_io, "aux-io");
     return bus;
 }

hw/misc/edu.c

@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/msi.h"
 #include "qemu/timer.h"
@@ -357,7 +358,7 @@ static void pci_edu_realize(PCIDevice *pdev, Error **errp)
                        edu, QEMU_THREAD_JOINABLE);
 
     memory_region_init_io(&edu->mmio, OBJECT(edu), &edu_mmio_ops, edu,
-                    "edu-mmio", 1 << 20);
+                    "edu-mmio", 1 * MiB);
     pci_register_bar(pdev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &edu->mmio);
 }