ARM: dts: imx6qdl: mba6: fix typo in comments

Replace 'SPPEED' with 'SPEED'
Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
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/imx6qdl-mba6.dtsi

@@ -500,21 +500,21 @@ MX6QDL_PAD_NANDF_CS0__GPIO6_IO11 0x001b0f0 /* #PCIE.DIS */
 
 	pinctrl_pwm1: pwm1grp {
 		fsl,pins = <
-			/* 100 k PD, DSE 120 OHM, SPPEED LO */
+			/* 100 k PD, DSE 120 OHM, SPEED LO */
 			MX6QDL_PAD_GPIO_9__PWM1_OUT 0x00003050
 		>;
 	};
 
 	pinctrl_pwm3: pwm3grp {
 		fsl,pins = <
-			/* 100 k PD, DSE 120 OHM, SPPEED LO */
+			/* 100 k PD, DSE 120 OHM, SPEED LO */
 			MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x00003050
 		>;
 	};
 
 	pinctrl_pwm4: pwm4grp {
 		fsl,pins = <
-			/* 100 k PD, DSE 120 OHM, SPPEED LO */
+			/* 100 k PD, DSE 120 OHM, SPEED LO */
 			MX6QDL_PAD_SD4_DAT2__PWM4_OUT 0x00003050
 		>;
 	};