Update git submodules

* Update docs/submodules/joid from branch 'master'
  - Merge "Fix pip warnings"
  - Fix pip warnings

    1) `sudo pip` causes permission issues with the cache directory.
    2) `pip list` without specifying format raises deprecation warning.

    Change-Id: If1c1941cce6195603231706776c0b73d5255e9cc
    Signed-off-by: Martin Kulhavy <martin.kulhavy@nokia.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index d2cf3ce..540a4ec 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit d2cf3cef511ed9c00044a186b62d77def5afd3ce
+Subproject commit 540a4ec575caff0f605b992ba811d55a4f0645cb