fix(scripts): don't hardcode vmsupportdir, follow $(bindir)

[Yoda-BZH]

Replaces hardcoded vmsupportdir value with $(bindir)

[vmwclabot]

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[vmwclabot]

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[jonathanvmw]

@Yoda-BZH - Thanks for your contribution. However, we can't proceed with this pull request without an approved signed contributor license agreement. Please resign the agreement and provide your name and full address as requested in the earlier post from August 1.

Once we have an approved CLA, your contribution will go through a review process at Broadcom. An update will be provided once the review is completed.

Thanks.

[vmwclabot]

@Yoda-BZH, we have received your signed contributor license agreement. The review is usually completed within a week, but may take longer under certain circumstances. Another comment will be added to the pull request to notify you when the merge can proceed.

[vmwclabot]

@Yoda-BZH, your company's legal contact did not review your signed contributor license agreement within the 14 day limit. The merge can not proceed. Click here to resign the agreement.