Change in coreboot[master]: drivers/i2c/dw_i2c: Add detect callback to i2c_bus_ops

[Matt DeVillier (Code Review)]

Attention is currently required from: Raul Rangel, Subrata Banik, Matt DeVillier, Karthik Ramasubramanian.
Hello build bot (Jenkins), Raul Rangel, Subrata Banik, Tim Wawrzynczak, Karthik Ramasubramanian,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/63210

to look at the new patch set (#3).

Change subject: drivers/i2c/dw_i2c: Add detect callback to i2c_bus_ops
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drivers/i2c/dw_i2c: Add detect callback to i2c_bus_ops

This patch adds the I2C equivalent of an SMBus quick write to an I2C
device, which is used by some I2C drivers as a way to probe the
existence (or absence) of a certain device on the bus, based on
whether or not a 0-byte write to an I2C address is ACKed or NACKed.

Change-Id: I9ed410669aabf9866329c6c6e74a39168a86b73e
Signed-off-by: Matt DeVillier 
Signed-off-by: Tim Wawrzynczak 
---
M src/drivers/i2c/designware/dw_i2c.c
1 file changed, 17 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/63210/3