Update git submodules

* Update docs/submodules/so.git from branch 'elalto'
  to bcfb3585d1e8c1dcd7e745de377ffea243ba1ef3
  - update URI for ElAlto
    Issue-ID: SO-2484
    
    Signed-off-by: Rene_Robert <rene.robert@orange.com>
    Change-Id: Ib6b9e723252c4bcbb0cb3389b03489921f836b31
    (cherry picked from commit 3d531ff1bb43e3909fb63775873586bacde46d9b)
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 05da579..bcfb358 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 05da57944f926f1335591940fc5de7565b680ea8
+Subproject commit bcfb3585d1e8c1dcd7e745de377ffea243ba1ef3