debug collector: use sdbus++ for exception files

Log sbusplus exceptions instead of phosphor-logging
error exceptions.

For metadata use manually generated elog-errors.hpp this
is to cater for building repositories without depending
on phosphor-logging

Resolves openbmc/openbmc#1469

Change-Id: I9789edd80f3477eeb66b93dff6e12a95e89a0005
Signed-off-by: Marri Devender Rao <devenrao@in.ibm.com>
5 files changed