i40e: Correct mask assignment value

Make mask value of all 1s.  Value of -1 can't be used for u32 type.

Change-ID: I49d58b77639939fe7447a229dbf1f4a1bf7419ce
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c

@@ -858,7 +858,7 @@ static void i40e_write_dword(u8 *hmc_bits,
 	if (ce_info->width < 32)
 		mask = ((u32)1 << ce_info->width) - 1;
 	else
-		mask = -1;
+		mask = 0xFFFFFFFF;
 
 	/* don't swizzle the bits until after the mask because the mask bits
 	 * will be in a different bit position on big endian machines
@@ -910,7 +910,7 @@ static void i40e_write_qword(u8 *hmc_bits,
 	if (ce_info->width < 64)
 		mask = ((u64)1 << ce_info->width) - 1;
 	else
-		mask = -1;
+		mask = 0xFFFFFFFFFFFFFFFF;
 
 	/* don't swizzle the bits until after the mask because the mask bits
 	 * will be in a different bit position on big endian machines