Add support H561SHEA board in Huawei.MA5600T.get_interfaces script
See merge request !6624 (merged)
(cherry picked from commit 6e7c7b92)
86bd6ccb Fix Huawei.MA5600T.get_interfaces script 68fb4a07 Add SHDSL to interface collected. 117e94e4 Add 'Huawei | MA5600T | CLI | MAC' capabilities.