ARM: dts: sh73a0: Rename the serial port clock to fck

The clock is really the device functional clock, not the interface
clock. Rename it.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/sh73a0.dtsi

@@ -359,7 +359,7 @@
 		reg = <0xe6c40000 0x100>;
 		interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA0>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -369,7 +369,7 @@
 		reg = <0xe6c50000 0x100>;
 		interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA1>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -379,7 +379,7 @@
 		reg = <0xe6c60000 0x100>;
 		interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA2>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -389,7 +389,7 @@
 		reg = <0xe6c70000 0x100>;
 		interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA3>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -399,7 +399,7 @@
 		reg = <0xe6c80000 0x100>;
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA4>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -409,7 +409,7 @@
 		reg = <0xe6cb0000 0x100>;
 		interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA5>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -419,7 +419,7 @@
 		reg = <0xe6cc0000 0x100>;
 		interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp3_clks SH73A0_CLK_SCIFA6>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -429,7 +429,7 @@
 		reg = <0xe6cd0000 0x100>;
 		interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFA7>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};
@@ -439,7 +439,7 @@
 		reg = <0xe6c30000 0x100>;
 		interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp2_clks SH73A0_CLK_SCIFB>;
-		clock-names = "sci_ick";
+		clock-names = "fck";
 		power-domains = <&pd_a3sp>;
 		status = "disabled";
 	};