ARM: dts: imx6ul-kontron-n6x1x-s: Remove an obsolete comment and fix indentation

The ECSPI1 is not used for a FRAM chip, so remove the comment.
While at it, also change some whitespaces to tabs to comply with the
indentation style of the rest of the file.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi

@@ -250,7 +250,6 @@ MX6UL_PAD_GPIO1_IO08__GPIO1_IO08	0xb0
 		>;
 	};
 
-	/* FRAM */
 	pinctrl_ecspi1: ecspi1grp {
 		fsl,pins = <
 			MX6UL_PAD_CSI_DATA07__ECSPI1_MISO	0x100b1
@@ -275,8 +274,8 @@ MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b009
 
 	pinctrl_enet2_mdio: enet2mdiogrp {
 		fsl,pins = <
-			MX6UL_PAD_GPIO1_IO07__ENET2_MDC         0x1b0b0
-			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO        0x1b0b0
+			MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
+			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
 		>;
 	};
 
@@ -289,10 +288,10 @@ MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX	0x1b020
 
 	pinctrl_gpio: gpiogrp {
 		fsl,pins = <
-			MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05	0x1b0b0 /* DOUT1 */
-			MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04	0x1b0b0 /* DIN1 */
-			MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x1b0b0 /* DOUT2 */
-			MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00	0x1b0b0 /* DIN2 */
+			MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05	0x1b0b0	/* DOUT1 */
+			MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04	0x1b0b0	/* DIN1 */
+			MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x1b0b0	/* DOUT2 */
+			MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00	0x1b0b0	/* DIN2 */
 		>;
 	};