Changes with 2:
	* Fixed a typo in the udev rule.

Changes with 1:
	* Adding dedicated 'realtime' group using sysusers.d.
	* Adding limits.conf drop in file. This adds rtprio 98 and memlock unlimited
		for the realtime group.
	* Adding access to /dev/cpu_dma_latency for group 'realtime' with the help
		of a udev rule. This enables applications to stop the CPU from going to
		idle states.
