riscv: dts: renesas: r9a07g043f: Add L2 cache node

Add L2 cache node for RZ/Five SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929000704.53217-2-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/riscv/boot/dts/renesas/r9a07g043f.dtsi

@@ -29,6 +29,7 @@ cpu0: cpu@0 {
 			i-cache-line-size = <0x40>;
 			d-cache-size = <0x8000>;
 			d-cache-line-size = <0x40>;
+			next-level-cache = <&l2cache>;
 			clocks = <&cpg CPG_CORE R9A07G043_CLK_I>;
 			operating-points-v2 = <&cluster0_opp>;
 
@@ -56,4 +57,15 @@ plic: interrupt-controller@12c00000 {
 		resets = <&cpg R9A07G043_NCEPLIC_ARESETN>;
 		interrupts-extended = <&cpu0_intc 11 &cpu0_intc 9>;
 	};
+
+	l2cache: cache-controller@13400000 {
+		compatible = "andestech,ax45mp-cache", "cache";
+		reg = <0x0 0x13400000 0x0 0x100000>;
+		interrupts = <SOC_PERIPHERAL_IRQ(476) IRQ_TYPE_LEVEL_HIGH>;
+		cache-size = <0x40000>;
+		cache-line-size = <64>;
+		cache-sets = <1024>;
+		cache-unified;
+		cache-level = <2>;
+	};
 };