FROMLIST: riscv: sophgo: dts: enable PCIe for PioneerBox

Enable PCIe controllers for PioneerBox, which uses SG2042 SoC.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/ec474c5eefb79626dd6a4d65454da9109aaf2f4d.1760929111.git.unicorn_wang@outlook.com
Signed-off-by: Han Gao <rabenda.cn@gmail.com>

arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts

@@ -128,6 +128,18 @@
 	};
 };
 
+&pcie_rc0 {
+	status = "okay";
+};
+
+&pcie_rc2 {
+	status = "okay";
+};
+
+&pcie_rc3 {
+	status = "okay";
+};
+
 &sd {
 	pinctrl-0 = <&sd_cfg>;
 	pinctrl-names = "default";