Along with all the Updated Attacks in the Seventh Generation, a number of older Pokemon have been on the receiving end of additional Moves being added to their possible Egg Moves. Most of these moves are newer moves just added this generation.
Mankey: Power Trip
Growlithe: Burn Up
Pichu: Electric Terrain
Sneasel: Throat Chop
Corsola: Liquidation
Taillow: Hurricane
Surkit: Lunge
Carvanha: Psychic Fangs
Spinda: Spotlight
Lillipup: Psychic Fangs
Sandile: Power Trip
Tirtouga: Liquidation
Emolga: Speed Swap
Litleo: Flare Blitz
Panchem: Power Trip