drivers/i2c/designware/dw_i2c: return enum cb_err from dw_i2c_transfer

Using enum cb_err as return type instead of int improves the readability
of the code.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic1812c4d8d2b4d9ad331a787bd302a4f0707c1fe
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61513
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

0 files changed, 0 insertions, 0 deletions