Merge branch 'add_model_huawei_ma5800' into 'master'

add model huawei MA5800-X2

See merge request !6693

(cherry picked from commit 1087a8fb)

8b8b16f1 add model huawei MA5800-X2
3 jobs for !6734 with cherry-pick-1087a8fb in 14 minutes and 42 seconds (queued for 4 seconds)
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