What:		/sys/devices/platform/.../power_on_reason
Date:		June 2023
KernelVersion:	6.5
Contact:	Kamel Bouhara <kamel.bouhara@bootlin.com>
Description:	Shows system power on reason. The following strings/reasons can
		be read (the list can be extended):
		"regular power-up", "RTC wakeup", "watchdog timeout",
		"software reset", "reset button action", "CPU clock failure",
		"crystal oscillator failure", "brown-out reset",
		"unknown reason".

		The file is read only.