[coreboot-gerrit] Change in coreboot[master]: device/i2c_bus: Add detect function pointer in i2c_bus_ops

[Julius Werner (Code Review)]

Attention is currently required from: Subrata Banik, Matt DeVillier, Tim Wawrzynczak, Karthik Ramasubramanian.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63209 )

Change subject: device/i2c_bus: Add detect function pointer in i2c_bus_ops
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Patch Set 2:

(1 comment)

Patchset:

PS2: 
Do we really need to add a new method for this? Sounds like all you're trying to do is a zero-byte write? Can't you just do that with the transfer() method (with a struct i2c_msg with len == 0)? That should save you a lot of duplicated driver code...