Update git submodules

* Update docs/submodules/oom.git from branch 'elalto'
  to 287a29429cf74b3f9bf87e10e4157a74d8c6568a
  - [DMaaP DR] New certs fro ElAlto images
    
    Change-Id: Ic5ce1f7642e2cd410f5d51e16402c712852481e2
    Signed-off-by: efiacor <fiachra.corcoran@est.tech>
    Issue-ID: DMAAP-1421
    
diff --git a/docs/submodules/oom.git b/docs/submodules/oom.git
index bc942c1..287a294 160000
--- a/docs/submodules/oom.git
+++ b/docs/submodules/oom.git
@@ -1 +1 @@
-Subproject commit bc942c108be6d375341a8923a94abfbd6dcca2f5
+Subproject commit 287a29429cf74b3f9bf87e10e4157a74d8c6568a