Implement APIs in pel_utils to verify error log
Implement APIs in pel_utils to verify error log

    - fetch_pelId_For_SRC
    - verify_SRC_details
    - fetch_All_SRC

Change-Id: I1d2b99b3ed9ab60e125f12282f0e36fb9521a1b6
Signed-off-by: Sridevi Ramesh <cb5e1f81dd390dfc3a9afc08ab7298b7ab4296f5@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation