i40e: fix kbuild warnings

The 0day build infrastructure found some issues in i40e, this
removes the warnings by adding a harmless cast to a dev_info.

CC: kbuild-all@01.org
Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_debugfs.c

@@ -1497,7 +1497,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 		/* check the range on address */
 		if (address > (pf->ioremap_len - sizeof(u32))) {
 			dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
-				 address, (pf->ioremap_len - sizeof(u32)));
+				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
 			goto command_write_done;
 		}
 
@@ -1516,7 +1516,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 		/* check the range on address */
 		if (address > (pf->ioremap_len - sizeof(u32))) {
 			dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
-				 address, (pf->ioremap_len - sizeof(u32)));
+				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
 			goto command_write_done;
 		}
 		wr32(&pf->hw, address, value);