ARM: 6231/1: re-organize the nuc900 lcd arch platform data setting

The patch re-organizes the nuc900 lcd arch platform data,
remove the lcd platform data setting from nuc950.c to dev.c

It can maximize the share codes between nuc900 series MCUs.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>