cluster: check add CPU frequency check output

[srstack]

What problem does this PR solve?

close #1636

Currently tiup cluster check does not support checking io scheduler settings, please submit a new issue to support him.
The problem of cpufreq check result output will be completed in this issue.

What is changed and how it works?

add CPU frequency check output

# Physical server
192.168.1.1  cpu-governor  Pass    CPU frequency governor is performance

# VM or Cloud Host
192.168.1.1  cpu-governor  Warn    Unable to determine current CPU frequency governor policy

# Fail
192.168.1.1  cpu-governor  Fail       CPU frequency governor is powersave, should use performance

Check List

Tests

• Manual test (add detailed scripts or steps below)

./tiup-cluster check ~/topology.yaml

test with VM

Code changes

• Has exported function/method change

Side effects

Related changes

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• nexustar

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[codecov-commenter]

Codecov Report

Merging #1663 (ca34485) into master (b01e507) will increase coverage by 34.36%.
The diff coverage is 21.42%.

@@             Coverage Diff             @@
##           master    #1663       +/-   ##
===========================================
+ Coverage   15.77%   50.13%   +34.36%     
===========================================
  Files         152      296      +144     
  Lines       15261    27235    +11974     
===========================================
+ Hits         2407    13655    +11248     
+ Misses      12337    11510      -827     
- Partials      517     2070     +1553     

Flag	Coverage Δ
cluster	43.22% <21.42%> (?)
dm	26.31% <0.00%> (?)
integrate	50.13% <21.42%> (+34.36%)	⬆️
playground	13.47% <ø> (?)
tiup	15.77% <ø> (ø)
unittest	∅ <ø> (∅)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/operation/check.go	48.61% <21.42%> (ø)
pkg/cluster/ansible/inventory.go	0.00% <0.00%> (ø)
pkg/cluster/task/download.go	81.81% <0.00%> (ø)
components/playground/instance/tidb.go	84.61% <0.00%> (ø)
components/dm/command/edit_config.go	83.33% <0.00%> (ø)
components/cluster/command/prune.go	84.61% <0.00%> (ø)
pkg/base52/base52.go	87.50% <0.00%> (ø)
pkg/cluster/manager/reload.go	70.93% <0.00%> (ø)
components/playground/instance/process.go	84.90% <0.00%> (ø)
components/dm/command/enable.go	71.42% <0.00%> (ø)
... and 238 more

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[AstroProfundis]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: ca34485