Update git submodules

* Update docs/submodules/joid from branch 'master'
  - modfified to support Power architecture.

    Change-Id: I7e35cb9743322c1cf48b79a1a89fb3a8accdc8ae
    Signed-off-by: Narinder Gupta <narinder.gupta@canonical.com>

diff --git a/docs/submodules/joid b/docs/submodules/joid
index 81f7f37..2fd94df 160000 (submodule)
--- a/docs/submodules/joid
+++ b/docs/submodules/joid
@@ -1 +1 @@
-Subproject commit 81f7f37c15359e89eb416d3035803358eb7bfdbe
+Subproject commit 2fd94dfa321cd3becc3aa675e4cd31166cfd4adc