firewire: fw-ohci: log regAccessFail events

While trying to debug this piece of crap JMicron PCI-e controller in my
possession, one thought was that perhaps I was encountering register access
failures. I'm not, but logging them would be good, so we can see if they
are a real problem we should be taking into account anywhere in the code.

Signed-off-by: Jarod Wilson <jwilson@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added list contact)
diff --git a/drivers/firewire/fw-ohci.h b/drivers/firewire/fw-ohci.h
index 5754c6e..a2fbb62 100644
--- a/drivers/firewire/fw-ohci.h
+++ b/drivers/firewire/fw-ohci.h
@@ -125,6 +125,7 @@
 #define OHCI1394_lockRespErr		0x00000200
 #define OHCI1394_selfIDComplete		0x00010000
 #define OHCI1394_busReset		0x00020000
+#define OHCI1394_regAccessFail		0x00040000
 #define OHCI1394_phy			0x00080000
 #define OHCI1394_cycleSynch		0x00100000
 #define OHCI1394_cycle64Seconds		0x00200000