2.8.0-rpi: to fix kernel panics on boot

[ailispaw]

We still need to add dwc_otg.fiq_enable=0 and dwc_otg.fiq_fsm_enable=0 into cmdline.txt, in spite of https://github.com/raspberrypi/linux/pull/2382 .

https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=197689&start=25#p1265214 https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=197689&start=50#p1273852

[ailispaw]

configs/kernel.config: Select PREEMPT_VOLUNTARY to fix kernel panics on boot
https://github.com/bargees/barge-os/commit/1370179995e346c512302da6f6100b8c02289587

Revert "configs/cmdline.txt: Add dwc_otg.fiq_enable=0 and dwc_otg.fiq_fsm_enable=0"
https://github.com/bargees/barge-os/commit/94cf0fbf93084ac1e359c2b2a5286013dabc107b

[ailispaw]

Fixed