arm64: dts: ti: am654-base-board: Disable SERDES and PCIe

AM654 base board does not have any PCIe slots. Disable all the
SERDES and PCIe instances.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm64/boot/dts/ti/k3-am654-base-board.dts

@@ -255,3 +255,27 @@
 		ti,adc-channels = <0 1 2 3 4 5 6 7>;
 	};
 };
+
+&serdes0 {
+	status = "disabled";
+};
+
+&serdes1 {
+	status = "disabled";
+};
+
+&pcie0_rc {
+	status = "disabled";
+};
+
+&pcie0_ep {
+	status = "disabled";
+};
+
+&pcie1_rc {
+	status = "disabled";
+};
+
+&pcie1_ep {
+	status = "disabled";
+};