tests: drivers: build_all: gpio: Correct mcp230xx compatibility

The "microchip,mcp230xx" is not defined.
Correcting it to "microchip,mcp23017".

Signed-off-by: TOKITA Hiroshi <[email protected]>

Author: soburi

tests/drivers/build_all/gpio/app.overlay

@@ -141,8 +141,8 @@
 				nint-gpios = <&test_gpio 0 0>;
 			};
 
-			test_i2c_mcp230xx: mcp230xx@7 {
-				compatible = "microchip,mcp230xx";
+			test_i2c_mcp23017: mcp23017@7 {
+				compatible = "microchip,mcp23017";
 				reg = <0x07>;
 				gpio-controller;
 				#gpio-cells = <2>;