drivers/i2c/designware/dw_i2c: use enum cb_err for static functions

Using enum cb_err as return type instead of int improves the readability
of the code. This commit only changes the return value of the static
functions in this file keeping the external interface identical.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I80300e0b24591fc660c3134139b9257e002cdbbb
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

0 files changed, 0 insertions, 0 deletions