s390/pci: message cleanup

Cleanup arch specific pci messages. Remove unhelpful messages and
replace others with entries in the debugfs.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --cc arch/s390/pci/pci.c
Simple merge

diff --cc arch/s390/pci/pci_clp.c
Simple merge

diff --cc arch/s390/pci/pci_dma.c
Simple merge

diff --cc arch/s390/pci/pci_event.c
Simple merge

diff --cc drivers/pci/hotplug/s390_pci_hpc.c
Simple merge