Convert the #defines for statistics into an enum in the IPMI system interface
and remove the unused timeout_restart statistic. And comment what these
statistics mean.
Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>