ARM: dts: gemini: Set DIR-685 SPI CS as active low

The SPI to the display on the DIR-685 is active low, we were
just saved by the SPI library enforcing active low on everything
before, so set it as active low to avoid ambiguity.

Link: https://lore.kernel.org/r/[email protected]
Cc: [email protected]
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>

Author: linusw

arch/arm/boot/dts/gemini-dlink-dir-685.dts

@@ -64,7 +64,7 @@
 		gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>;
 		gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>;
 		gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>;
-		cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+		cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
 		num-chipselects = <1>;
 
 		panel: display@0 {