igbvf: convert msleep to mdelay in atomic context

This fixes a "scheduling while atomic" splat seen with
CONFIG_DEBUG_ATOMIC_SLEEP enabled.
Signed-off-by: Greg Edwards <gedwards@ddn.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igbvf/vf.c

@@ -149,7 +149,7 @@ static s32 e1000_reset_hw_vf(struct e1000_hw *hw)
 		msgbuf[0] = E1000_VF_RESET;
 		mbx->ops.write_posted(hw, msgbuf, 1);
 
-		msleep(10);
+		mdelay(10);
 
 		/* set our "perm_addr" based on info provided by PF */
 		ret_val = mbx->ops.read_posted(hw, msgbuf, 3);