[warm-reboot] Add support to pass extra kernel cmdline parameters #3192
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What I did
Add support to optionally pass extra kernel command line arguments during warm-reboot kexec load.
How I did it
Extra command line arguments can be supplied from variable 'KEXEC_LOAD_EXTRA_CMDLINE_LINUX' in "installer.conf" present in device hwsku folder.
How to verify it
Triggered warm-reboot on Marvell AC5XRD platform and checked for successful warmboot.
Previous command output (if the output of a command-line utility has changed)
New command output (if the output of a command-line utility has changed)