media: staging: media: ipu3: Change 'unsigned long int' to 'unsigned long'

This patch fixes the checkpatch.pl warning:

WARNING: Prefer 'unsigned long' over 'unsigned long int' as the int is
unnecessary
Signed-off-by: Jean-Baptiste Jouband <jj.jouband@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/ipu3/ipu3-mmu.c

@@ -130,7 +130,7 @@ static u32 *imgu_mmu_alloc_page_table(u32 pteval)
 	for (pte = 0; pte < IPU3_PT_PTES; pte++)
 		pt[pte] = pteval;
 
-	set_memory_uc((unsigned long int)pt, IPU3_PT_ORDER);
+	set_memory_uc((unsigned long)pt, IPU3_PT_ORDER);
 
 	return pt;
 }
@@ -141,7 +141,7 @@ static u32 *imgu_mmu_alloc_page_table(u32 pteval)
  */
 static void imgu_mmu_free_page_table(u32 *pt)
 {
-	set_memory_wb((unsigned long int)pt, IPU3_PT_ORDER);
+	set_memory_wb((unsigned long)pt, IPU3_PT_ORDER);
 	free_page((unsigned long)pt);
 }