i2c: mvtwsi.c: Add support for Marvell Armada 7K/8K

i2c: mvtwsi.c: Add support for Marvell Armada 7K/8K

By adding the "marvell,mv78230-i2c" compatible property, we can enable
this I2C driver to support these new ARM64 chips as well.

Signed-off-by: Stefan Roese <[email protected]>
Cc: Nadav Haklai <[email protected]>
Cc: Neta Zur Hershkovits <[email protected]>
Cc: Kostya Porotchkin <[email protected]>
Cc: Omri Itach <[email protected]>
Cc: Igal Liberman <[email protected]>
Cc: Haim Boot <[email protected]>
Cc: Hanna Hawa <[email protected]>
Cc: Heiko Schocher <[email protected]>