First off, we don't obviously know if Farrell called for the bunt by Davis, I would assume he didn't and Rajai did it himself. I don't like the bunt in that situation only because Rajai is a poor bunter!
If he was actually decent at bunting, this was a decent situation to use it:
1) Beltre was playing back, element of surprise as no one expected a bunt with Gose already in scoring position and 1 out.
2) If Davis gets it down, he most likely beats it out for a hit. Either we have 1st and 2nd or 1st and 3rd with 1 out. Then next would be steal or double steal, so 2nd and 3rd situation with 1 out.
I honestly didn't have much confidence in Davis getting a hit to score Gose anyways as Oswalt would just throw off-speed throw that Davis would just flail away at and SO. So yeah go ahead and bunt for a hit, but only if you are good at it and not pop it up like he seems to do all too often. But Davis can nonetheless state the situation and what he was thinking of doing, just he's poor at executing it.