PEL: Add procedure callout for hwp errors
PEL: Add procedure callout for hwp errors

Added infrastructure to enable procedure callout support
for the HWP failure related PEL.

Signed-off-by: Jayanth Othayoth <d8c0d7e9f313f85e22ced997a3958fcdeb1cb606@in.ibm.com>
Change-Id: Ia688650a1f1c8a184aebb3d258d99bbb1a15d244

openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging,openbmc/phosphor-logging