ARM: SAMSUNG: Constify array of wake irqs passed to samsung_sync_wakemask

The samsung_sync_wakemask() iterates over passed array of wake irqs but
does not modify it.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

arch/arm/plat-samsung/include/plat/wakeup-mask.h

@@ -38,7 +38,7 @@ struct samsung_wakeup_mask {
  * required to be correct before we enter sleep.
  */
 extern void samsung_sync_wakemask(void __iomem *reg,
-				  struct samsung_wakeup_mask *masks,
+				  const struct samsung_wakeup_mask *masks,
 				  int nr_masks);
 
 #endif /* __PLAT_WAKEUP_MASK_H */

arch/arm/plat-samsung/wakeup-mask.c

@@ -20,7 +20,7 @@
 #include <plat/pm.h>
 
 void samsung_sync_wakemask(void __iomem *reg,
-			   struct samsung_wakeup_mask *mask, int nr_mask)
+			   const struct samsung_wakeup_mask *mask, int nr_mask)
 {
 	struct irq_data *data;
 	u32 val;