ARM: cfa10049: Switch the chip select pin of the LCD controller

The early prototypes had the chip select pin for the LCD controller
wired on the GPIO 3-23, while the production run of the CFA-10049 have
this chip select on the GPIO 3-5.

Signed-off-by: Brian Lilly <brian@crystalfontz.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>