Update git submodules

* Update docs/submodules/bottlenecks from branch 'master'
  - buf-fix: sfc quota setting

    JIRA: BOTTLENECK-215

    compass master does not enable sfc, only eupurates.
    changing sfc quota will cause error for "not valide attributes"

    Change-Id: I77fab2d957d88bed6ed28c06bff9d3c2f7fb0da7
    Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index ad8c10d..97a7762 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit ad8c10df7d3a6df07a1386de172b022b5342876f
+Subproject commit 97a77626cc17fb372a78ddfc78a66e483315b864