Update git submodules

* Update docs/submodules/storperf from branch 'master'
  - Fixing daily job

    Change-Id: I3ec92a7688106e7caa33be89926a7bea6b757596
    Signed-off-by: mbeierl <mark.beierl@dell.com>

diff --git a/docs/submodules/storperf b/docs/submodules/storperf
index 31b0e13..5f6100a 160000 (submodule)
--- a/docs/submodules/storperf
+++ b/docs/submodules/storperf
@@ -1 +1 @@
-Subproject commit 31b0e130755cbd425b26f740e5701768d77f98f0
+Subproject commit 5f6100a6a86536a4d1b1fa0a238a451aba92f844