Adding comment for cmdline_contains()
Adding comment for cmdline_contains()

Signed-off-by: Traistaru Andrei Cristian <71b51019823c48a819585d5910c38e3a9bfb818d@amazon.com>

firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker,firecracker-microvm/firecracker