fusion: add function parameter names to kernel-doc

Fix fusion missing kernel-doc:

  Warning(drivers/message/fusion/mptbase.c:649): No description found for parameter 'func_name'
  Warning(drivers/message/fusion/mptbase.c:8010): No description found for parameter 'cb_idx'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>