This patch removes platform data usage for codec and touchscreen
when driver is used with devicetree.
This fixes possible "null pointer dereference" error if DTS uses
"fsl,mc13xxx-uses-codec" or "fsl,mc13xxx-uses-touch" options.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>