witherspoon-pfault-analysis: srcrev bump f715b15c07..1a0c9176a3

William A. Kennington III (2):
      event: Remove in favor of sdeventplus
      timer: Remove in favor of sdeventplus/timer

(From meta-ibm rev: 60eaab605372472ae79848514ffb00a3d3f28a31)

Change-Id: Ia93e26c11e7b523c034eeb22d1de9e0a1588edca
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>