[dts] [PATCH V2]test_plans/cvl_advanced_iavf_rss_gtpu_test_plan:add gtpu-nopdu/gtpc cases and update multi-rules cases

[Tu, Lijuan]

> 1. add new test cases to support GTPU no PDU and GTPC pattern.
> 2. as the pkg updated, default gtpu behavior is changed.
>    so that the behavior after deleting gtpu rss rule is also changed.
>    ignored the steps after deleting rules in multi-rules test cases.
> 
> Signed-off-by: qifu <qi.fu at intel.com>

Applied