arm64: dts: ti: k3-j784s4-evm: Add eMMC mmc0 support

Add support for eMMC connected to main sdhci0 instance.

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
Reviewed-by: Bhavya Kapoor <b-kapoor@ti.com>
Link: https://lore.kernel.org/r/20230327083100.12587-1-a-nandan@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

Author: Apurva Nandan

arch/arm64/boot/dts/ti/k3-j784s4-evm.dts

@@ -21,6 +21,7 @@
 
 	aliases {
 		serial2 = &main_uart8;
+		mmc0 = &main_sdhci0;
 		mmc1 = &main_sdhci1;
 		i2c0 = &main_i2c0;
 	};
@@ -207,6 +208,14 @@
 	};
 };
 
+&main_sdhci0 {
+	/* eMMC */
+	status = "okay";
+	non-removable;
+	ti,driver-strength-ohm = <50>;
+	disable-wp;
+};
+
 &main_sdhci1 {
 	/* SD card */
 	status = "okay";