Refreshed all patches and removed upstreamed:
oxnas/001-irqchip-versatile-fpga-Handle-chained-IRQs-properly.patch
oxnas/002-irqchip-versatile-fpga-Apply-clear-mask-earlier.patch
Fixes: CVE-2020-12114 and CVE-2020-11669
Runtime-tested on: qemu-x86-64
Compile-tested on: ath79/generic, x86/64, imx6
Signed-off-by: Petr Štetiar <ynezz@true.cz>