[PATCH] powerpc: Use PE configuration address consistently

236-eeh-config-addr.patch

The PE configuration address wasn't being cnsistently used in all locations
where a config address is called for.  This patch adds it to the places it
should have appeared in.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
(cherry picked from c2bc904a28095aca0b04a37854b63b78622a032e commit)