This UART is used in the SiFive FU540 SoC, and will probably be used in
other SoCs in the future.
Change-Id: I915edf39666b7a5f9550e3b7e743e97fe3cacfd3
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/25768
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
