FROMLIST: riscv: sophgo: dts: enable PCIe for SG2042_EVB_V2.0

Enable PCIe controllers for Sophgo SG2042_EVB_V2.0 board,
which uses SG2042 SoC.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/50a753f9b8cbd5a90b5b2df737f87fc77a9b33a7.1760929111.git.unicorn_wang@outlook.com
Signed-off-by: Han Gao <rabenda.cn@gmail.com>

arch/riscv/boot/dts/sophgo/sg2042-evb-v2.dts

@@ -152,6 +152,18 @@
 	};
 };
 
+&pcie_rc0 {
+	status = "okay";
+};
+
+&pcie_rc1 {
+	status = "okay";
+};
+
+&pcie_rc2 {
+	status = "okay";
+};
+
 &pinctrl {
 	emmc_cfg: sdhci-emmc-cfg {
 		sdhci-emmc-wp-pins {