ERR010027: Attempting a start cycle while the bus is busy may
generate a short clock pulse.

Software must ensure that the I2C BUS is idle by checking the
bus busy before switching to master mode and attempting a Start
cycle.

Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
[ Aisheng: fix big conflict due to
3a5ee18d ("i2c: imx: implement master_xfer_atomic callback") ]
Sign-off-by: Dong Aisheng <aisheng.dong@nxp.com>