Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 51544c9833da4d51ce18ddd01d0cb23c84de27dc
  - Merge "Allow only 1 Operational Policy"
  - Allow only 1 Operational Policy

    Rework the operational policy UI, only allow to create 1 operational
    policy and fix some bugs.

    Issue-ID: CLAMP-294
    Change-Id: Iec09451d9437b299028bf63304f90c893ecc1d3e
    Signed-off-by: xg353y <xg353y@intl.att.com>

diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index f08a27f..51544c9 160000 (submodule)
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit f08a27fede1086e17632dde816e0ae6214cab286
+Subproject commit 51544c9833da4d51ce18ddd01d0cb23c84de27dc