Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 868746d27adc90efeba5909d3eb60a6e0cd24c27
  - PM-Mapper Policy Model support
    
    Change-Id: I3603c4a5b05b0dc528b0dd57eabea8947f9e8fbb
    Issue-ID: SDC-2104
    Signed-off-by: rajendrajaiswal <rajendra.jaiswal@ericsson.com>
    
diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 9eb80fd..868746d 160000
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 9eb80fdf47fb9be19e6238e223a3e43c402aa3f5
+Subproject commit 868746d27adc90efeba5909d3eb60a6e0cd24c27