Added support for the Zhaoxin I2C controller. This required

extensive code refactoring in the wmt driver, mainly targeting
the extraction of the common IP from the viai2c, which will be
used by both wmt and Zhaoxin.
-----BEGIN PGP SIGNATURE-----

iIwEABYIADQWIQScDfrjQa34uOld1VLaeAVmJtMtbgUCZe2WKxYcYW5kaS5zaHl0
aUBrZXJuZWwub3JnAAoJENp4BWYm0y1ugAkBAPshBDe3hLj2ytE8oV21C+K2IFB9
FLFbdnw4pXGyL4ROAQDkH4VsR/fkazM6NEsg6wPU31BRGvuqtLjbtwan377DBA==
=L9yi
-----END PGP SIGNATURE-----