Since we now have support for the interrupt controller pm_uart's interrupt is routed through it make sense to wire up it's interrupt in the device tree. The interrupt is the same for all known chips so it goes in the base dtsi. Link: https://lore.kernel.org/r/20201002133418.2250277-4-daniel@0x0f.com Signed-off-by: Daniel Palmer <daniel@0x0f.com> Signed-off-by: Olof Johansson <olof@lixom.net>