arm64: dts: ti: k3-am62p-verdin: Add SPI_1_CS as GPIO

Add a pinctrl to use SPI_1 CS as GPIO.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20260324093705.26730-7-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

Author: dolcini

arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi

@@ -247,6 +247,13 @@
 		>;
 	};
 
+	/* Verdin SPI_1_CS as GPIO */
+	pinctrl_spi1_cs_gpio: main-gpio0-7-default-pins {
+		pinctrl-single,pins = <
+			AM62PX_IOPAD(0x001c, PIN_OUTPUT, 7) /* (N21) OSPI0_D4.GPIO0_7 */ /* SODIMM 202 */
+		>;
+	};
+
 	/* Verdin QSPI_1_CS# as GPIO (conflict with Verdin QSPI_1 interface) */
 	pinctrl_qspi1_cs_gpio: main-gpio0-11-default-pins {
 		pinctrl-single,pins = <