Add support for ClockMatrix(TM) and 82P33xxx families of timing
and synchronization devices. The access interface can be either
SPI or I2C. Currently, it will create 2 types of MFD devices,
which are to be used by the corresponding rsmu character device
driver and the PTP hardware clock driver, respectively.
Signed-off-by: Min Li <min.li.xe@renesas.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
