Update git submodules

* Update docs/submodules/storperf from branch 'stable/fraser'
  - Update release notes

    Change-Id: I41ae2a5730684056e6854f22201544c5c486bd3e
    Signed-off-by: mbeierl <mark.beierl@dell.com>
    (cherry picked from commit a6c0c07da775203c813bc9a0effba6e0d37d15f7)

diff --git a/docs/submodules/storperf b/docs/submodules/storperf
index 9759cbb..c3707ed 160000 (submodule)
--- a/docs/submodules/storperf
+++ b/docs/submodules/storperf
@@ -1 +1 @@
-Subproject commit 9759cbb65e40c3e142b8a32dd1bb717ae65e15c2
+Subproject commit c3707ede35cb59d1ea3139dca6d76de1b76345af