83xx: initialize serdes for MPC837XRDB boards

On the MPC8377ERDB: 2 SATA and 2 PCI-E.
On the MPC8378ERDB: 2 PCI-E
On the MPC8379ERDB: 4 SATA

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
2 files changed