Malika Haqq and O.T. Genasis on Same Page with Co-Parenting Baby Boy

The father of Malika Haqq's unborn son is her ex-BF, O.T. Genasis, but there's zero awkwardness -- they're still great friends and plan to be greater co-parents. Sources close to the situation tell TMZ ... Khloe Kardashian's BFF and the rapper…