dts: arm: renesas: ra: Initial Comparator support for RA8

Add acmphs_global node and acmphs nodes to support Comparator
on ra8x1 soc.

Signed-off-by: Khoa Nguyen <khoa.nguyen.xh@renesas.com>

Author: khoa-nguyen-18

dts/arm/renesas/ra/ra8/ra8x1.dtsi

@@ -786,6 +786,24 @@
 				status = "disabled";
 			};
 		};
+
+		acmphs_global: acmphs_global@40236000 {
+			compatible = "renesas,ra-acmphs-global";
+			reg = <0x40236000 0x200>;
+			status = "disabled";
+
+			acmphs0: acmphs0 {
+				compatible = "renesas,ra-acmphs";
+				channel = <0>;
+				status = "disabled";
+			};
+
+			acmphs1: acmphs1 {
+				compatible = "renesas,ra-acmphs";
+				channel = <1>;
+				status = "disabled";
+			};
+		};
 	};
 
 	usbfs_phy: usbfs-phy {