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Wire: implement Clear Bus sequence to recover I2C bus.
Source: https://www.nxp.com/docs/en/user-guide/UM10204.pdf https://bits4device.wordpress.com/2017/07/28/i2c-bus-recovery/ Useful in case of bus stuck after a reset for example Fixes #1661 Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
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