[DellEMC] S52xx fix reboot cause issue#9603

sujinmkang merged 2 commits intosonic-net:mastersonic-net/sonic-buildimage:masterfrom

aravindmani-1:fix_s52xx_reboot_causearavindmani-1/sonic-buildimage:fix_s52xx_reboot_causeCopy head branch name to clipboard