arm64: dts: imx8mp-phycore-som: Add regulator names

Add regulator-names for more meaningful description.
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi

@@ -101,6 +101,7 @@ buck1: BUCK1 {
 				regulator-boot-on;
 				regulator-max-microvolt = <2187500>;
 				regulator-min-microvolt = <600000>;
+				regulator-name = "VDD_SOC (BUCK1)";
 				regulator-ramp-delay = <3125>;
 			};
 
@@ -111,6 +112,7 @@ buck2: BUCK2 {
 				regulator-boot-on;
 				regulator-max-microvolt = <2187500>;
 				regulator-min-microvolt = <600000>;
+				regulator-name = "VDD_ARM (BUCK2)";
 				regulator-ramp-delay = <3125>;
 			};
 
@@ -119,6 +121,7 @@ buck4: BUCK4 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3400000>;
 				regulator-min-microvolt = <600000>;
+				regulator-name = "VDD_3V3 (BUCK4)";
 			};
 
 			buck5: BUCK5 {
@@ -126,6 +129,7 @@ buck5: BUCK5 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3400000>;
 				regulator-min-microvolt = <600000>;
+				regulator-name = "VDD_1V8 (BUCK5)";
 			};
 
 			buck6: BUCK6 {
@@ -133,6 +137,7 @@ buck6: BUCK6 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3400000>;
 				regulator-min-microvolt = <600000>;
+				regulator-name = "NVCC_DRAM_1V1 (BUCK6)";
 			};
 
 			ldo1: LDO1 {
@@ -140,6 +145,7 @@ ldo1: LDO1 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3300000>;
 				regulator-min-microvolt = <1600000>;
+				regulator-name = "NVCC_SNVS_1V8 (LDO1)";
 			};
 
 			ldo3: LDO3 {
@@ -147,6 +153,7 @@ ldo3: LDO3 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3300000>;
 				regulator-min-microvolt = <800000>;
+				regulator-name = "VDDA_1V8 (LDO3)";
 			};
 
 			ldo5: LDO5 {
@@ -154,6 +161,7 @@ ldo5: LDO5 {
 				regulator-boot-on;
 				regulator-max-microvolt = <3300000>;
 				regulator-min-microvolt = <1800000>;
+				regulator-name = "NVCC_SD2 (LDO5)";
 			};
 		};
 	};