Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to f70e2b5f66493822b512767d504ae26275cb16a2
  - Update to Portal SDK v2.6
    
    Change-Id: I602891d783ce4c80fca6e9da3c765218d19da993
    Issue-ID: SDC-2684
    Signed-off-by: Ofir Sonsino <os0695@intl.att.com>
    
diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index e05eb92..f70e2b5 160000
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit e05eb92e3a8f80dbf8cc15239c83587fca67a79d
+Subproject commit f70e2b5f66493822b512767d504ae26275cb16a2