soc: renesas: ra: Add r7fa4m1ab3cne package variant

Add r7fa4m1ab3cne 48-pin package variant of RA4M1

Signed-off-by: Peter Johanson <peter@peterjohanson.com>

dts/arm/renesas/ra/ra4/r7fa4m1ab3cne.dtsi

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2025 Pete Johanson
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/clock/ra_clock.h>
+#include <arm/renesas/ra/ra4/r7fa4m1ax.dtsi>
+
+/delete-node/ &ioport5;
+/delete-node/ &ioport6;
+/delete-node/ &ioport7;
+/delete-node/ &ioport8;
+
+/ {
+	soc {
+		flash-controller@407e0000 {
+			flash0: flash@0 {
+				compatible = "soc-nv-flash";
+				reg = <0x0 DT_SIZE_K(256)>;
+			};
+		};
+	};
+};

dts/arm/renesas/ra/ra4/r7fa4m1ax.dtsi

@@ -47,6 +47,8 @@
 		sci2: sci2@40070040 {
 			compatible = "renesas,ra-sci";
 			reg = <0x40070040 0x20>;
+			interrupts = <8 1>, <9 1>, <10 1>, <11 1>;
+			interrupt-names = "rxi", "txi", "tei", "eri";
 			clocks = <&pclka MSTPB 29>;
 			status = "disabled";
 

soc/renesas/ra/ra4m1/Kconfig.soc

@@ -19,9 +19,16 @@ config SOC_R7FA4M1AB3CFP
 	help
 	  R7FA4M1AB3CFP
 
+config SOC_R7FA4M1AB3CNE
+	bool
+	select SOC_SERIES_RA4M1
+	help
+	  R7FA4M1AB3CNE
+
 config SOC_SERIES
 	default "ra4m1" if SOC_SERIES_RA4M1
 
 config SOC
 	default "r7fa4m1ab3cfm" if SOC_R7FA4M1AB3CFM
 	default "r7fa4m1ab3cfp" if SOC_R7FA4M1AB3CFP
+	default "r7fa4m1ab3cne" if SOC_R7FA4M1AB3CNE

soc/renesas/ra/soc.yml

@@ -22,6 +22,7 @@ family:
         socs:
           - name: r7fa4m1ab3cfm
           - name: r7fa4m1ab3cfp
+          - name: r7fa4m1ab3cne
       - name: ra4m2
         socs:
           - name: r7fa4m2ad3cfp