Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 7b10cc4d95582dfaf6c6010199fa95aae78c806b
  - openecomp-be code coverage increase

    Add tests for classes in vendorsoftwareproduct.types.composition package

    Change-Id: I2b05536a4fd80021bfedd2e7ff0f1747f6227935
    Issue-ID: SDC-2326
    Signed-off-by: Piotr Darosz <piotr.darosz@nokia.com>

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 51e1e5e..7b10cc4 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 51e1e5e941e5fb01cc684e5827b6c36029e30335
+Subproject commit 7b10cc4d95582dfaf6c6010199fa95aae78c806b