HBO Films will produce “Boycott,” a film dramatizing the mid-1950s public bus boycott pivotal to the civil-rights movement. Pic is slated to debut on HBO in February, which is Black History Month.Jeffrey Wright (“Shaft”) and Terrence Howard (“Big Momma’s House”) will star, while Clark Johnson (“Homicide: Life on the Street”) will direct. Shelby Stone and Norman Twain are the exec producers; Preston L. Holmes is producing. Herman Daniel Farrell III and Timothy J. Sexton penned the script. Johnson is repped by UTA.