GEOS-Chem submod update: Merge PR #2315 (complexSOA bug fixes)

This commit informs the GCHP superproject about the following
commits that were pushed to the GitHub geoschem/geos-chem repository:

ef2ea60e7 Merge PR #2315 (Fix bugs in PDER, OCPISOA, and TotalOC)

This PR fixes several minor bugs in the complex SOA scheme.

Signed-off-by: Bob Yantosca <[email protected]>