This patch fixes build error for CONFIG_DM_I2C_COMPAT.
In i2c_get_chip_for_busnum() call, one of argument was missed,
which was offset_len. Now it is set to 'alen' as previous.
Signed-off-by: NPrzemyslaw Marczak <p.marczak@samsung.com>
Acked-by: NSimon Glass <sjg@chromium.org>