firmware: Rebuild of broken start_cd.elf
See: https://github.com/raspberrypi/firmware/issues/293

kernel: Set build number back to normal monotonic sequence
See: https://github.com/raspberrypi/firmware/issues/293

kernel: bcm2708: Avoid hang when timer_set_next_event is called with MAX_INT
See: https://github.com/raspberrypi/linux/issues/616

kernel: armctrl: Don't mask interrupts from ack
See: https://github.com/raspberrypi/linux/commit/39e4e12d12c19bb79a4c3a30360faf9b504222dc