ARM: dts: imx7: correct enet ipg clock

ENET "ipg" clock should be IMX7D_ENETx_IPG_ROOT_CLK
rather than IMX7D_ENET_AXI_ROOT_CLK which is for ENET bus
clock.

Based on Andy Duan's patch from the NXP kernel tree.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

arch/arm/boot/dts/imx7d.dtsi

@@ -120,7 +120,7 @@ fec2: ethernet@30bf0000 {
 			<GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
-		clocks = <&clks IMX7D_ENET_AXI_ROOT_CLK>,
+		clocks = <&clks IMX7D_ENET2_IPG_ROOT_CLK>,
 			<&clks IMX7D_ENET_AXI_ROOT_CLK>,
 			<&clks IMX7D_ENET2_TIME_ROOT_CLK>,
 			<&clks IMX7D_PLL_ENET_MAIN_125M_CLK>,

arch/arm/boot/dts/imx7s.dtsi

@@ -1091,7 +1091,7 @@ fec1: ethernet@30be0000 {
 					<GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
 					<GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks IMX7D_ENET_AXI_ROOT_CLK>,
+				clocks = <&clks IMX7D_ENET1_IPG_ROOT_CLK>,
 					<&clks IMX7D_ENET_AXI_ROOT_CLK>,
 					<&clks IMX7D_ENET1_TIME_ROOT_CLK>,
 					<&clks IMX7D_PLL_ENET_MAIN_125M_CLK>,