Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "arm-pod7: add new PDF and IDF files"
  - arm-pod7: add new PDF and IDF files

    - net_config is moved to IDF file;
    - rename 'disk' to 'disks';
    - add 'name: nicN' to interface;
    - add 'disk_rotation: 0' for ssd drivers;

    Change-Id: I1ea91a65abeb9db4f2f73f25ce51cd059b4b4753
    Signed-off-by: ting wu <ting.wu@enea.com>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 8b35025..8bbd047 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 8b35025c56ffe3ad384f6674e7045917bfade1d5
+Subproject commit 8bbd0474bcfef7e5316279a6a5e8d65018411d5c