[POWERPC] EEH: Dump PCI bridge status on event

Gather bridge-specific data on EEH events.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
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 arch/powerpc/platforms/pseries/eeh.c |   27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>