fix: scp permission denied

[qyz87]

What type of PR is this?

/kind bug

What this PR does / why we need it:

fix scp permission denied err

Which issue(s) this PR fixes:

Fixes #1880

Special notes for reviewers:

when do sudoscp  first call r.Conn.MkDirAll  to make remoteTmp  dir,  then scp file to remoteTmp  dir , 
at last move remoteTmp   to remote.   
   note:  remoteTmp   = filepath.Join(common.TmpDir, remote)

pkg/core/connector/runner.go
   func (r *Runner) SudoScp(local, remote string) error {
            ...
            if err := r.Conn.MkDirAll(baseRemotePath, "", r.Host); err != nil {
		return err
	   }
           ...
   }

pkg/core/connector/ssh.go
      func (c *connection) MkDirAll(path string, mode string, host Host) error {
	if mode == "" {
		mode = "775"
	}
	mkDstDir := fmt.Sprintf("mkdir -p -m %s %s || true", mode, path)
	...
    }

   the reason for "scp  permission denied"  is  command "mkdir -p -m" only affect the last dir in path,   for example :
            mkdir -p -m 775   /tmp/kubekey/usr/local/bin/kube-scripts
           "mkdir -p -m"  only  set  kube-scripts  is 775 , other dir is affected by umask
   

Does this PR introduced a user-facing change?

Additional documentation, usage docs, etc.:

[pixiake]

@qyz87 Thanks for this contributions !

/lgtm
/approve

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pixiake, qyz87

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[ks-ci-bot]

LGTM label has been added.

Git tree hash: 1b35369fc0fb49d740863a35659aec384b2676fd

[pixiake]

@all-contributors please add @qyz87 for code

[allcontributors]

@pixiake

@qyz87 already contributed before to code