drivers: fsi: Fix SBE/OCC for 2 socket properly.

Also update dts.

Signed-off-by: Edward A. James <eajames@us.ibm.com>
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Reviewed-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
7 files changed