Replace Argument class with CLI11

CLI11 is one of the most commonly use argument parser in OpenBMC.
The Argument class will be replaced with CLI11 and the
argument.(h/c)pp file will be removed.

Sig

Replace Argument class with CLI11

CLI11 is one of the most commonly use argument parser in OpenBMC.
The Argument class will be replaced with CLI11 and the
argument.(h/c)pp file will be removed.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Ibff60a19d3ff9209ca70889acc9e6aec4a8d4fca

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