boards: arm: mimxrt1170_evk: update LVGL settings

Update LVGL settings to optimize RT1170 performance with LCDIF. The
display hardware will perform best when LVGL always uses full refreshes,
as this avoids memory copies required with partial display refreshes.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
1 file changed