powerpc/eeh: I/O chip PE log and bridge setup
powerpc/eeh: I/O chip PE log and bridge setup

The patch adds backends to retrieve error log and configure p2p
bridges for the indicated PE.

Signed-off-by: Gavin Shan <4d6e32db2683aba4a3f3669c68ac02b37d1b91cd@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs