openpower-hw-diags: srcrev bump dd779995ca..edfcbc38ef

Zane Shelley (3):
      Support to use lg2 logging
      Limit test_arg to test code
      Moved end2end test with other test cases

Change-Id: I711f222ddc9cef6cac9696843c008c73bdb37603
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>