Missing prefixes in GNSI modules "when paths"

[marcusyuri]

The are several missing prefixes in GNSI modules that generates path errors.

The following are the corrected paths:

--- a/release/models/gnsi/openconfig-gnsi-acctz.yang
+++ b/release/models/gnsi/openconfig-gnsi-acctz.yang
@@ -236,7 +236,8 @@ module openconfig-gnsi-acctz {

   // Augments section.
   augment "/oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server" {
-    when "config[contains(services, 'oc-gnsi:GNSI')]/enable = 'true'";
+    when "oc-sys-grpc:config[contains(oc-sys-grpc:services, 'oc-gnsi:GNSI')]" +
+        "/oc-sys-grpc:enable = 'true'";
     description
       "Counters collected by the gNSI.acctz module.";

--- a/release/models/gnsi/openconfig-gnsi-authz.yang
+++ b/release/models/gnsi/openconfig-gnsi-authz.yang
@@ -202,7 +202,8 @@ module openconfig-gnsi-authz {
   }

   augment "/oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server" {
-    when "config[contains(services, 'oc-gnsi:GNSI')]/enable = 'true'";
+    when "oc-sys-grpc:config[contains(oc-sys-grpc:services, 'oc-gnsi:GNSI')]" +
+        "/oc-sys-grpc:enable = 'true'";
     description
       "Counters collected while evaluating access to a gRPC server using
       the gNSI.authz authorization policy.";

--- a/release/models/gnsi/openconfig-gnsi-certz.yang
+++ b/release/models/gnsi/openconfig-gnsi-certz.yang
@@ -198,7 +198,8 @@ module openconfig-gnsi-certz {

   augment "/oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server/" +
           "oc-sys-grpc:state" {
-    when "../config[contains(services, 'oc-gnsi:GNSI')]/enable = 'true'";
+    when "../oc-sys-grpc:config[contains(oc-sys-grpc:services, 'oc-gnsi:GNSI')]" +
+        "/oc-sys-grpc:enable = 'true'";
     description
       "A gRPC server credentials freshness information.";

@@ -207,7 +208,8 @@ module openconfig-gnsi-certz {

   augment "/oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server/" +
           "oc-sys-grpc:state" {
-    when "../config[contains(services, 'oc-gnsi:GNSI')]/enable = 'true'";
+    when "../oc-sys-grpc:config[contains(oc-sys-grpc:services, 'oc-gnsi:GNSI')]" +
+        "/oc-sys-grpc:enable = 'true'";
     uses grpc-server-certz-counters;
     description
       "gNSI certz server access counters.";

--- a/release/models/gnsi/openconfig-gnsi-pathz.yang
+++ b/release/models/gnsi/openconfig-gnsi-pathz.yang
@@ -312,7 +312,8 @@ module openconfig-gnsi-pathz {
   }
   augment "/oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server" +
           "/oc-sys-grpc:state" {
-    when "../config[contains(services, 'oc-gnsi:GNSI')]/enable = 'true'";
+    when "../oc-sys-grpc:config[contains(oc-sys-grpc:services, 'oc-gnsi:GNSI')]" +
+        "/oc-sys-grpc:enable = 'true'";
     description
       "A gNMI server OpenConfig-path-based authorization policy freshness
       information.";