boards: rw612: Enable XTAL32

This oscillator has better accuracy and is available by default
on this board.
Disable this in the ethernet variant where XTAL32 is disconnected
so we can use the ethernet pins.

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>

Author: mmahadevan108

boards/nxp/rd_rw612_bga/rd_rw612_bga.dtsi

@@ -87,6 +87,10 @@
 	};
 };
 
+&xtal32 {
+	status = "okay";
+};
+
 &wwdt {
 	status = "okay";
 };

boards/nxp/rd_rw612_bga/rd_rw612_bga_rw612_ethernet.dts

@@ -39,9 +39,6 @@
 };
 
 /* XTAL is disconnected */
-/* TODO: this should be uncommented once it is added */
-/*
- * &rtc {
- *	status = "disabled";
- * };
- */
+&xtal32 {
+	status = "disabled";
+};