os/drivers/lcd: Prevent multiple LCD power on/off operations#7010

sunghan-chang merged 2 commits intoSamsung:masterSamsung/TizenRT:masterfrom

seokhun-eom24:251021-add-boundary-lcdonoffseokhun-eom24/TizenRT:251021-add-boundary-lcdonoffCopy head branch name to clipboard