Update the uDPU kernel support, fixing a number of issues:
* make ethernet work again by adding comphy definitions
* slow the I2C bus to give it more chance of actually working
* the SFP cages are designed to support up to 3W modules, which
would be prevented from initialising without this patch.
Signed-off-by: Russell King <linux@armlinux.org.uk>
[jonas.gorski: rename to mvebu, refresh patches]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
