hw/rdma: 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>
Reviewed-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NYuval Shaia <yuval.shaia@oracle.com>
Message-Id: <20180625124238.25339-40-f4bug@amsat.org>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

hw/rdma/vmw/pvrdma.h

@@ -16,6 +16,7 @@
 #ifndef PVRDMA_PVRDMA_H
 #define PVRDMA_PVRDMA_H
 
+#include "qemu/units.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/msix.h"
 
@@ -30,7 +31,7 @@
 #define RDMA_MSIX_BAR_IDX    0
 #define RDMA_REG_BAR_IDX     1
 #define RDMA_UAR_BAR_IDX     2
-#define RDMA_BAR0_MSIX_SIZE  (16 * 1024)
+#define RDMA_BAR0_MSIX_SIZE  (16 * KiB)
 #define RDMA_BAR1_REGS_SIZE  64
 #define RDMA_BAR2_UAR_SIZE   (0x1000 * MAX_UCS) /* each uc gets page */