arm64: dts: ti: k3-am642-evm: align ti,pindir-d0-out-d1-in property with dt-shema

ti,pindir-d0-out-d1-in property is expected to be of type boolean.
Therefore, fix the property accordingly.

Fixes: 4fb6c046 ("arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM")
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20210608051414.14873-3-a-govindraju@ti.com

arch/arm64/boot/dts/ti/k3-am642-evm.dts

@@ -336,7 +336,7 @@ &mcu_spi1 {
 &main_spi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_spi0_pins_default>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 	eeprom@0 {
 		compatible = "microchip,93lc46b";
 		reg = <0>;