CHICAGO — Two brothers from Lyons who told police they buried their mother and sister in the backyard of their home last year are facing criminal charges, village officials said Thursday. Michael Lelko, 47, was charged with two felony counts of concealment of a death, state’s attorney’s office spokeswoman Tandra Simonton said. Charges were still pending Thursday evening for his 42-year-old brother, Lyons police said in an email. Michael Lelko was expected in court later Friday on the charges. The brothers, both of whom are in custody, may also face federal charges, according to Lyons police Ch…