ARM: sunxi: dt: Change the touchscreen compatibles

Switch the device tree touchscreen compatibles to have a common pattern accross
all Allwinner SoCs. Since the touchscreen driver has not been merged yet, it
has no side effect.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index ea16054..8e57a28 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -383,7 +383,7 @@
 		};
 
 		rtp: rtp@01c25000 {
-			compatible = "allwinner,sun4i-ts";
+			compatible = "allwinner,sun4i-a10-ts";
 			reg = <0x01c25000 0x100>;
 			interrupts = <29>;
 		};