witherspoon:Rename avsbus-workaround to power-workarounds

This service/script will now be used for all required
power workarounds that the BMC needs to apply during
boot. Renaming to support this more generic purpose
of this script.

Change-Id: I9b0fbdff37f6ddc169391f95497d2d69620e552c
Signed-off-by: Andrew Geissler <andrewg@us.ibm.com>
4 files changed