doc: add tested Intel platforms with Intel NICs
doc: add tested Intel platforms with Intel NICs

Add tested Intel platforms with Intel NICs to v19.08 release note.

Signed-off-by: Wenjie Li <186796f8a5a1398710b926157ab0dc499e272b7b@intel.com>
Acked-by: John McNamara <af31595c36a4239b9676e9b3a777d3e2f15a6c4d@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk