arm: dts: k3-am642-evm/sk: enable MAIN UART1 for SYSFW logs

Enable MAIN UART1 in the R5 SPL device tree to collect system SYSFW
debug traces during early boot.

Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>

arch/arm/dts/k3-am642-r5-evm.dts

@@ -23,3 +23,13 @@
 	clocks = <&clk_200mhz>;
 	clock-names = "clk_xin";
 };
+
+&main_uart1_pins_default {
+	bootph-pre-ram;
+};
+
+/* Main UART1 is used for TIFS firmware logs */
+&main_uart1 {
+	bootph-pre-ram;
+	status="okay";
+};

arch/arm/dts/k3-am642-r5-sk.dts

@@ -18,3 +18,13 @@
 &serdes_wiz0 {
 	status = "okay";
 };
+
+&main_uart1_pins_default {
+	bootph-pre-ram;
+};
+
+/* Main UART1 is used for TIFS firmware logs */
+&main_uart1 {
+	bootph-pre-ram;
+	status="okay";
+};