Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Allow building Alpine containers from any gerrit changes"
  - Allow building Alpine containers from any gerrit changes

    Next pip release will allow installing from git ref.
    We will install it from git till it's released.

    Change-Id: I4f26c5a137ca94e9925bd64787c8572848154850
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index f11fb56..58e45d4 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit f11fb566d2f2289e2fdac88dabfd8f6e193d0353
+Subproject commit 58e45d4c8d40c767f308b29d78255a4364ee50da