Update git submodules

* Update docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git from branch 'master'
  to 175d40f9f66838825208cd213b53de207294694b
  - Change svnfm of huawei pod startup to non root
    
    Change-Id: Iafe6f0dee6f89a34a76b403d4ded0f5d8e03f744
    Issue-ID: VFC-1637
    Signed-off-by: yangyan <yangyanyj@chinamobile.com>
    
diff --git a/docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git b/docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git
index 2ec345c..175d40f 160000
--- a/docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git
+++ b/docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git
@@ -1 +1 @@
-Subproject commit 2ec345c32033a55adfaaa8f6dc5801883e81ee55
+Subproject commit 175d40f9f66838825208cd213b53de207294694b