video: stm32: stm32_ltdc: fix data enable polarity

Wrong DISPLAY_FLAGS used to set the data enable polarity.

Signed-off-by: Yannick FERTRE <yannick.fertre@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
1 file changed