ARM: dts: imx7-tqma7: Fix iomuxc node names

The node name must end with 'grp'
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

@@ -214,7 +214,7 @@ pinctrl_usdhc3: usdhc3grp {
 			<MX7D_PAD_SD3_STROBE__SD3_STROBE	0x19>;
 	};
 
-	pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
+	pinctrl_usdhc3_100mhz: usdhc3_100mhzgrp {
 		fsl,pins =
 			<MX7D_PAD_SD3_CMD__SD3_CMD               0x5a>,
 			<MX7D_PAD_SD3_CLK__SD3_CLK               0x51>,
@@ -229,7 +229,7 @@ pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
 			<MX7D_PAD_SD3_STROBE__SD3_STROBE         0x1a>;
 	};
 
-	pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
+	pinctrl_usdhc3_200mhz: usdhc3_200mhzgrp {
 		fsl,pins =
 			<MX7D_PAD_SD3_CMD__SD3_CMD               0x5b>,
 			<MX7D_PAD_SD3_CLK__SD3_CLK               0x51>,