MT#60392 /api/lnpcarriers allow reseller GET

* reseller role can use GET on the endpoint because
  it is needed for an NCOS Levels (which resellers can create).

Change-Id: Ic793b0d74e767eb9e150a6ae3c67ff9f51c8cf6c

lib/NGCP/Panel/Controller/API/LnpCarriers.pm

@@ -49,7 +49,10 @@ sub relation{
 }
 
 __PACKAGE__->set_config({
-    allowed_roles => [qw/admin/],
+    allowed_roles => {
+        'Default' => [qw/admin/],
+        'GET'     => [qw/admin reseller/],
+    },
 });
 
 sub GET :Allow {

lib/NGCP/Panel/Controller/API/LnpCarriersItem.pm

@@ -30,7 +30,10 @@ sub relation{
 }
 
 __PACKAGE__->set_config({
-    allowed_roles => [qw/admin/],
+    allowed_roles => {
+        'Default' => [qw/admin/],
+        'GET'     => [qw/admin reseller/],
+    },
 });
 
 sub GET :Allow {