ARM: dts: at91: sam9x60ek: Add sdmmc1 node

sdmmc1 is not populated by default on sam9x60ek, but there are cases
where it is populated with wilc3000. Add the node, but keep it disabled.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200403061222.1277147-4-tudor.ambarus@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/at91-sam9x60ek.dts

@@ -542,6 +542,18 @@ AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_H
 		};
 	};
 
+	sdmmc1 {
+		pinctrl_sdmmc1_default: sdmmc1 {
+			atmel,pins =
+				<AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI)				/* PA13 CK periph B */
+				 AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)	/* PA12 CMD periph B with pullup */
+				 AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)	/* PA11 DAT0 periph B with pullup */
+				 AT91_PIOA  2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)	/* PA2 DAT1 periph B with pullup */
+				 AT91_PIOA  3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)	/* PA3 DAT2 periph B with pullup */
+				 AT91_PIOA  4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>;	/* PA4 DAT3 periph B with pullup */
+		};
+	};
+
 	gpio_keys {
 		pinctrl_key_gpio_default: pinctrl_key_gpio {
 			atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
@@ -568,6 +580,15 @@ &sdmmc0 {
 	disable-wp;
 };
 
+&sdmmc1 {
+	bus-width = <4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdmmc1_default>;
+	no-1-8-v;
+	non-removable;
+	status = "disabled"; /* Conflict with flx4. */
+};
+
 &qspi {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_qspi>;