mach-ux500/prcmu-qos-power: ignore duplicate qos requirement names
mach-ux500/performance: add sysfs interface for mmc/wlan QoS

available in /sys/kernel/performance
allows changing wlan/mmc boost arm freq and thresholds
mach-ux500/prcmu-qos-power: add debugfs entries for qos requirements
mach-ux500/prcmu-debug: allow reading of prcmu data mem by byte, not only dword
Merge pull request #24 from mkaluza/misc_debug

varios prcmu-qos fixes and improvments

Enabling any QoS requirement of ARM_KHZ will set minimum cpufreq as 100MHz (If has), it need to be fixed.

Thanks @mkaluza