The P2040/P2041 has an erratum where the normal i2c recovery mechanism
does not work. Implement the alternative recovery mechanism documented
in the P2040 Chip Errata Rev Q.
Signed-off-by: NChris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: NWolfram Sang <wsa@kernel.org>