ux500_usb: driver updates
Merge pull request #22 from mkaluza/mali

mali_boost improvements

Thanks @mkaluza
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