[ARM] 4998/1: <IMX UART>: do not use hardcoded io space size

Do not use hardcoded io space size. Instead use the information provided
by the resource.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed