hw/intc/gicv3: Remove useless parenthesis around DIV_ROUND_UP macro

Patch created mechanically by rerunning:

  $  spatch --sp-file scripts/coccinelle/round.cocci \
            --macro-file scripts/cocci-macro-file.h \
            --dir . --in-place
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: NMichael S. Tsirkin <mst@redhat.com>
Message-Id: <20180705155811.20366-8-f4bug@amsat.org>
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>

include/hw/intc/arm_gicv3_common.h

@@ -62,7 +62,7 @@
  * avoids bugs where we forget to subtract GIC_INTERNAL from an
  * interrupt number.
  */
-#define GICV3_BMP_SIZE (DIV_ROUND_UP(GICV3_MAXIRQ, 32))
+#define GICV3_BMP_SIZE DIV_ROUND_UP(GICV3_MAXIRQ, 32)
 
 #define GIC_DECLARE_BITMAP(name) \
     uint32_t name[GICV3_BMP_SIZE]