Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Adding Labels"
  - Adding Labels

    Labels serve as anchors/ refs when referenced from other documents
    This patch adds labels to docs/*/*/index.rst

    Change-Id: I3dd866f0721b0c97d7c29fce0b275b29d0b2ddc8
    Signed-off-by: ShubhamRathi <shubhamiiitbackup@gmail.com>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 8c90b92..7cbe4e7 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 8c90b92f54a197b1177674589d42c884330b43a8
+Subproject commit 7cbe4e7447280d39fdb5a56b3d9a0fea437b5b15