[dts][PATCH V1]test_plans/cvl_dcf_qos: correct some typos

[Tu, Lijuan]

> -----Original Message-----
> From: Peng Yuan <yuan.peng at intel.com>
> Sent: 2021年11月12日 8:30
> To: dts at dpdk.org
> Cc: Peng, Yuan <yuan.peng at intel.com>
> Subject: [dts][PATCH V1]test_plans/cvl_dcf_qos: correct some typos
> 
> Correct some typos, and clarify some description.
> 
> Signed-off-by: Peng Yuan <yuan.peng at intel.com>

Applied with commit subject changed.