Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 87f15e6bf472ac30e0dc9ac63a6420d375b340db
  - Merge "Fix loop prop window"
  - Fix loop prop window
    
    Fix the loop Properties windows
    
    Issue-ID: CLAMP-447
    Change-Id: I0d4002267feab57457067df345f6b56542926e35
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    
diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index 54fea7f..87f15e6 160000
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit 54fea7fe473270ba67e9053ef08a0be46c6416ce
+Subproject commit 87f15e6bf472ac30e0dc9ac63a6420d375b340db