The UART8250_FCR_TRIGGER bits are bits 6 and 7 in the register, so
rewrite the mask and constants as constants shifted by 6.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I0663c1a641355b7bfb59f41479d17117178fb895
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61644
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>