Auto Suspend USB

There are 2 settings that needs to changed:

1. Add usbcore.autosuspend=0 usbcore.autosuspend_delay_ms=-1 to /boot/grub/grub.cfg kernel param
2. Disable monitor power manager control in xfce4-power-manager settings
3. Install acpid
4. Add the following udev rules to /etc/udev/rules.d/99-usb-autosuspend.rules:

   ACTION=="add", SUBSYSTEM=="usb", TEST=="power/control",
   ATTR{power/control}="on"
   ACTION=="add", SUBSYSTEM=="usb", TEST=="power/autosuspend",
   ATTR{power/autosuspend}="0"
   ACTION=="add", SUBSYSTEM=="usb", TEST=="power/autosuspend_delay_ms",
   ATTR{power/autosuspend_delay_ms}="-1"