Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 715f0ac873dd0301ed85e873a09d4323fef4d40e
  - Change Oparent
    
    Update oparent to 2.1.0
    
    Issue-ID: CLAMP-531
    Change-Id: I2b4d71c58fdd96ceae1551258e198d16c8bb21a8
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    
diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index 77b0be1..715f0ac 160000
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit 77b0be1b734ae1f785fb35a59387ac5fbcf19266
+Subproject commit 715f0ac873dd0301ed85e873a09d4323fef4d40e