Updated the correct ptp-cli file.
Minor formatting fixes.
Added the PTP Limitations contents to the CLI file.
Removed the PTP Limitations topic from index.
Removed the PTP Limitations file.
Signed-off-by: Elaine Fonaro <elaine.fonaro@windriver.com>
Change-Id: Ia67f5a324093dea77d7e990cb5bb35d02193b70e