Update git submodules

* Update docs/submodules/bottlenecks from branch 'master'
  - bug-fix: fix command option for installing monitor

    Change-Id: Ie3e5d64caacaece6a9ae6c7846d3f82b5440c4fd
    Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com>

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index b252cd9..248a51a 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit b252cd9f78d00ba52ab79f5ff8f7b7d5abea7c7e
+Subproject commit 248a51ac76abca98e91efeb11bb21c074b19175b