Refreshed patches, removed upstreamed patch: generic/hack: 551-loop-Better-discard-support-for-block-devices.patch Added generic config symbol `ARM64_ERRATUM_1542419` due to Fixes: f2791551cedb ("arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419"). Run tested: qemu-x86-64, apalis, nbg6617 Build tested: x86/64, imx6, ipq40xx, sunxi/a53 Signed-off-by: Petr Štetiar <ynezz@true.cz>