ARM: dts: spear320-hmi: correct STMPE GPIO compatible

The compatible is st,stmpe-gpio.

Fixes: e2eb691 ("ARM: SPEAr320: DT: Add SPEAr 320 HMI board support")
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

Author: krzk

arch/arm/boot/dts/spear320-hmi.dts

@@ -241,7 +241,7 @@
 					irq-trigger = <0x1>;
 
 					stmpegpio: stmpe-gpio {
-						compatible = "stmpe,gpio";
+						compatible = "st,stmpe-gpio";
 						reg = <0>;
 						gpio-controller;
 						#gpio-cells = <2>;