PEL: Add PEL testcase for device callouts
PEL: Add PEL testcase for device callouts

Add a PEL class unit test where device callouts are included in the PEL.

Signed-off-by: Matt Spinler <c000c989d08c98662d98f15448f11de169feb92d@us.ibm.com>
Change-Id: I22567c29c7e2a8dd0a024a459756ee2cde8239fb

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