Add I2C bus driver for the controller found in the LSI Axxia family SoCs. The
driver implements 10-bit addressing and SMBus transfer modes via emulation
(including SMBus block data read).
Signed-off-by: NAnders Berg <anders.berg@avagotech.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>