[Config] Update config command of kdump#1700

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yozhao101 merged 7 commits intosonic-net:masterfrom

yozhao101:update_kdump_config

Aug 22, 2021

Commits on Jun 29, 2021

[kdump] Update config command of kdump.
yozhao101
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Commits on Jul 5, 2021

Commits on Jul 20, 2021

[config] This commit includes the following changes:
yozhao101
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Commits on Aug 4, 2021

[config] Add the unit test cases and update the implementation.
yozhao101
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Commits on Aug 16, 2021

[kdump] Create a separate function to check whether the `kdump` table
yozhao101
committed

Commits on Aug 19, 2021

[config] Fix the indentation issue.
yozhao101
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