The ish franchise may be adding another installment. ABC is developing Old-ish, another spinoff from Kenya Barris’ Emmy-nominated flagship series Black-ish. The comedy would see Laurence Fishburne and Jenifer Lewis reprise their roles as Earl “Pops” Johnson and Ruby Johnson, the parents of Anthony Anderson’s Dre. Fishburne — who has been an exec producer on Black-ish since its start — …