ipmi-watchdog: Simplify our completion function
ipmi-watchdog: Simplify our completion function

This makes no functional changes, just refactors the completion function
to be used for reset only, since it does nothing but free the message
for set calls. This will be useful for future changes to reduce nesting
depth.

Signed-off-by: William A. Kennington III <30fff5198f4d10ca1117e5f3ec82f3b4b8900d81@google.com>
Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.ibm.com>

shenki/skiboot,open-power/skiboot,shenki/skiboot,qemu/skiboot,stewart-ibm/skiboot,legoater/skiboot,open-power/skiboot,qemu/skiboot,legoater/skiboot,open-power/skiboot,legoater/skiboot,shenki/skiboot,stewart-ibm/skiboot,stewart-ibm/skiboot,legoater/skiboot,qemu/skiboot,open-power/skiboot,legoater/skiboot,qemu/skiboot,qemu/skiboot,shenki/skiboot,shenki/skiboot,open-power/skiboot