kernel: fiq fsm: fix dequeues for non-periodic split transactions
See: https://github.com/raspberrypi/linux/commit/b09a27249d61475e4423607f7632a5aa6e7b3a53

kernel: Move GPIO setup to hw_params.
See: https://github.com/raspberrypi/linux/commit/c7de2839922e1948259c2c2a2beb58ad795a51ba