Fix git version reporting of `CzechLight/dependencies`

Fixes: 32ca34f Stop pinning `CzechLight/dependencies` via `cla-sysrepo` and `netconf-cli`
Change-Id: Ida23ba73a3639b2fd1add6336bffbdf3aedfb7b8
diff --git a/board/czechlight/common/os-release.sh b/board/czechlight/common/os-release.sh
index 4dbd629..06c65d1 100755
--- a/board/czechlight/common/os-release.sh
+++ b/board/czechlight/common/os-release.sh
@@ -11,7 +11,7 @@
 CLA_BR2_EXTERNAL_REV=$(czechlight_describe_git ${BR2_EXTERNAL_CZECHLIGHT_PATH})
 CLA_SYSREPO_REV=$(czechlight_describe_git $(czechlight_query_local_make_var CLA_SYSREPO_OVERRIDE_SRCDIR))
 NETCONF_CLI_REV=$(czechlight_describe_git $(czechlight_query_local_make_var NETCONF_CLI_OVERRIDE_SRCDIR))
-CLA_CPP_DEPENDENCIES_REV=$(czechlight_describe_git $(czechlight_query_local_make_var CLA_SYSREPO_OVERRIDE_SRCDIR)/submodules/dependencies)
+CLA_CPP_DEPENDENCIES_REV=$(czechlight_describe_git ${BR2_EXTERNAL_CZECHLIGHT_PATH}/submodules/dependencies)
 GAMMARUS_REV=$(czechlight_describe_git $(czechlight_query_local_make_var GAMMARUS_OVERRIDE_SRCDIR))
 VELIA_REV=$(czechlight_describe_git $(czechlight_query_local_make_var VELIA_OVERRIDE_SRCDIR))
 ROUSETTE_REV=$(czechlight_describe_git $(czechlight_query_local_make_var ROUSETTE_OVERRIDE_SRCDIR))