Fix param names in docstrings and remove redundant parentheses

[KeyLee123]

Optimize the codes, fix param names in docstrings and remove redundant parentheses.

[mr-avocado]

Dear contributor,
Avocado is currently at the end of sprint 107, therefore we are in feature freeze state.
Please avoid merging changes that do not fall into these categories:

• Bug fixes
• Documentation updates

The feature freeze will be active until the release planned on September 02, 2024.

[richtja]

Hi @KeyLee123 welcome to the avocado community, we are happy to have you here. Your changes LGTM, you just need to address few commit style requirements.

• At the end of your commit please add your signature. In your case it is Signed-off-by: lixu <[email protected]>
• Your changes are located only to the avocado/utils/cpu.py. Please write this into the commit title to make it more specific.
• It looks like the oldfuncname is unknown to are spell-check. Please update the spell.ignore file with this term.