ARM: dts: davinci: da850-evm: Increase fifo threshold

When operating at low speeds, the display may throw an underflow
error and the display itself goes blank.  Increasing the fifo-th
value appears to correct this problem and the display can now
operate when the system is operating at speeds as low as 100MHz.

Signed-off-by: Adam Ford <aford173@gmail.com>
Link: https://lore.kernel.org/r/20250504102959.81830-1-aford173@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: aford173

arch/arm/boot/dts/ti/davinci/da850-evm.dts

@@ -60,7 +60,7 @@
 			sync-edge = <0>;
 			sync-ctrl = <1>;
 			raster-order = <0>;
-			fifo-th = <0>;
+			fifo-th = <1>;
 		};
 
 		display-timings {