drivers: marvell: mg_conf_cm3: pass comphy lane number to AP FW ...

Since the AP process can be enabled on different setups, the information
about used comphy lane should be passed to AP FW. For instance:
- A8K development board uses comphy lane 2 for eth 0
- cn913x development board uses comphy lane 4 for eth 0

Change-Id: Icf001fb3eea4d9c24c09384e49844ecaf8655ad2
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>

plat: marvell: armada: move mg conf related code to appropriate driver ...

Now when mg_conf_cm3 driver is present - move all relevant code there.

Change-Id: I444d9e877c450d6ee69ca3a49b547e4c3aeac0be
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>

drivers: marvell: mg_conf_cm3: add basic driver ...

Implement function which will allow to start AP FW.

Change-Id: Ie0fc8ad138bf56b10809cdc92d1e5e96a2aaf33f
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>