Merge branch 'hinic-add-some-error-messages-for-debug'

Luo bin says:

====================
hinic: add some error messages for debug

patch #1: support to handle hw abnormal event
patch #2: improve the error messages when functions return failure and
	  dump relevant registers in some exception handling processes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>