ARM: dts: qcom: ipq4018-ap120c-ac: use NVMEM for ath10k caldata

Since ath10k now supports loading the pre-cal via NVMEM instead of having
to use userspace scripts, lets use it.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230214161211.306462-4-robert.marko@sartura.hr

arch/arm/boot/dts/qcom-ipq4018-ap120c-ac.dtsi

@@ -170,6 +170,17 @@
 				label = "ART";
 				reg = <0x00170000 0x00010000>;
 				read-only;
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				precal_art_1000: precal@1000 {
+					reg = <0x1000 0x2f20>;
+				};
+
+				precal_art_5000: precal@5000 {
+					reg = <0x5000 0x2f20>;
+				};
 			};
 
 			partition@180000 {
@@ -233,10 +244,14 @@
 
 &wifi0 {
 	status = "okay";
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_1000>;
 };
 
 &wifi1 {
 	status = "okay";
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_5000>;
 	qcom,ath10k-calibration-variant = "ALFA-Network-AP120C-AC";
 };