ath79: convert Netgear R6100 radio calibration to nvmem-cells

use nvmem-cells implementation to avoid copying art calibration data
to rootfs.

Tested on Netgear R6100
Signed-off-by: Shiji Yang <[email protected]>

target/linux/ath79/dts/ar9344_netgear_r6100.dts

@@ -181,8 +181,8 @@
 		compatible = "qcom,ath10k";
 		reg = <0x0000 0 0 0 0>;
 
-		nvmem-cells = <&macaddr_caldata_c>;
-		nvmem-cell-names = "mac-address";
+		nvmem-cells = <&cal_ath10k>, <&macaddr_caldata_c>;
+		nvmem-cell-names = "calibration", "mac-address";
 	};
 };
 
@@ -201,7 +201,8 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&caldata 0x1000>;
+	nvmem-cells = <&cal_ath9k>;
+	nvmem-cell-names = "calibration";
 };
 
 &caldata {
@@ -209,6 +210,14 @@
 	#address-cells = <1>;
 	#size-cells = <1>;
 
+	cal_ath9k: calibration@1000 {
+		reg = <0x1000 0x440>;
+	};
+
+	cal_ath10k: calibration@5000 {
+		reg = <0x5000 0x844>;
+	};
+
 	macaddr_caldata_0: macaddr@0 {
 		reg = <0x0 0x6>;
 	};

target/linux/ath79/nand/base-files/etc/hotplug.d/firmware/11-ath10k-caldata

@@ -18,9 +18,6 @@ case "$FIRMWARE" in
 		caldata_extract "art" 0x5000 0x844
 		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_binary art 0x0) 1)
 		;;
-	netgear,r6100)
-		caldata_extract "caldata" 0x5000 0x844
-		;;
 	zyxel,emg2926-q10a|\
 	zyxel,nbg6716)
 		caldata_extract "art" 0x5000 0x844