Cleanup BMC dumps prior to BMC and PNOR code update.

Added:
   - Fix FFDC lib path.
   - Add BMC dump delete for BMC and host update.

Resolves  openbmc/openbmc-test-automation#922

Change-Id: Ic5bc5c77f571ec39654aab039fb43d21b2967042
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
2 files changed