Update Kestrel device tree for latest SoC version

dts/powerpc/ppc64el-litex-kestrel.dtsi

@@ -144,9 +144,9 @@
 			status = "disabled";
 		};
 
-		gpio_discrete_leds: gpio@c0008800 {
+		gpio_discrete_leds: gpio@c0009000 {
 			compatible = "litex,gpio";
-			reg = <0xc0008800 0x4>;
+			reg = <0xc0009000 0x4>;
 			ngpios = <8>;
 			label = "gpio_discrete_leds";
 			status = "disabled";
@@ -154,11 +154,11 @@
 			#gpio-cells = <2>;
 		};
 
-		gpio_switch_bank: gpio@c0009000 {
+		gpio_switch_bank: gpio@c0009800 {
 			compatible = "litex,gpio";
-			reg = <0xc0009000 0x4
-				0xc0009010 0x1
-				0xc0009014 0x1>;
+			reg = <0xc0009800 0x4
+				0xc0009810 0x1
+				0xc0009814 0x1>;
 			reg-names = "base", "irq_pend", "irq_en";
 			interrupt-parent = <&ics0>;
 			interrupts = <1 9>;
@@ -169,9 +169,9 @@
 			#gpio-cells = <2>;
 		};
 
-		gpio_alphanumeric: gpio@c0009800 {
+		gpio_alphanumeric: gpio@c000a000 {
 			compatible = "litex,gpio";
-			reg = <0xc0009800 0x4>;
+			reg = <0xc000a000 0x4>;
 			ngpios = <16>;
 			label = "gpio_alphanumeric";
 			status = "disabled";