arm64: dts: ti: am642-phyboard-electra: Remove PCIe pinmuxing

Remove pinmuxing for PCIe so that we can add it in an overlay.
Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240613195012.1925920-2-nmorrisson@phytec.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts

@@ -190,18 +190,6 @@ AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0)	/* (E19) USB0_DRVVBUS */
 		>;
 	};
 
-	pcie_usb_sel_pins_default: pcie-usb-sel-default-pins {
-		pinctrl-single,pins = <
-			AM64X_IOPAD(0x017c, PIN_OUTPUT, 7)	/* (T1) PRG0_PRU0_GPO7.GPIO1_7 */
-		>;
-	};
-
-	pcie0_pins_default: pcie0-default-pins {
-		pinctrl-single,pins = <
-			AM64X_IOPAD(0x0098, PIN_OUTPUT, 7)	/* (W19) GPMC0_WAIT0.GPIO0_37 */
-		>;
-	};
-
 	user_leds_pins_default: user-leds-default-pins {
 		pinctrl-single,pins = <
 			AM64X_IOPAD(0x003c, PIN_OUTPUT, 7)	/* (T20) GPMC0_AD0.GPIO0_15 */