Update the PLIC compatible string from "sifive,fu540-c000-plic" to
"sifive,fu740-c000-plic" to comply with the SiFive IP versioning
scheme documented in sifive-blocks-ip-versioning.txt.

The versioning scheme requires SoC-specific compatible strings for
proper hardware identification.

Signed-off-by: Max Hsu <max.hsu@sifive.com>
---
 arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
index 15e11a03582a..a44ccbf4822b 100644
--- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -182,7 +182,7 @@ soc {
 		plic0: interrupt-controller@c000000 {
 			#interrupt-cells = <1>;
 			#address-cells = <0>;
-			compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";
+			compatible = "sifive,fu740-c000-plic", "sifive,plic-1.0.0";
 			reg = <0x0 0xc000000 0x0 0x4000000>;
 			riscv,ndev = <69>;
 			interrupt-controller;

-- 
2.43.0