net/mlxfw: Remove unneeded semicolon

Fixes coccicheck warning:

drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c:79:2-3: Unneeded semicolon
drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c:162:2-3: Unneeded semicolon
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c

@@ -76,7 +76,7 @@ static int mlxfw_fsm_state_err(struct mlxfw_dev *mlxfw_dev,
 	case MLXFW_FSM_STATE_ERR_MAX:
 		MLXFW_ERR_MSG(mlxfw_dev, extack, "unknown error", err);
 		break;
-	};
+	}
 
 	return mlxfw_fsm_state_errno[fsm_state_err];
 };
@@ -159,7 +159,7 @@ mlxfw_fsm_reactivate_err(struct mlxfw_dev *mlxfw_dev,
 	case MLXFW_FSM_REACTIVATE_STATUS_MAX:
 		MLXFW_REACT_ERR("unexpected error", err);
 		break;
-	};
+	}
 	return -EREMOTEIO;
 };