uart: pl011: Improve LCRH register access decision
uart: pl011: Improve LCRH register access decision

Improve LCRH register access decision as ARM PL011 lcrh
register serve as both TX and RX, while other SOC may
implement TX and RX function with separated register.

Signed-off-by: Jun Nie <16d8bc3f29c489fdc436b48884adedee8c6f9a7b@linaro.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs