riscv: jh7110: enable riscv,timer in the device tree

The JH7110 has the arhitectural CPU timer on all 5 rv64 cores.
Note that in the device tree.

Signed-off-by: Torsten Duwe <duwe@suse.de>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/dts/jh7110.dtsi b/arch/riscv/dts/jh7110.dtsi
index 081b833..ec237a4 100644
--- a/arch/riscv/dts/jh7110.dtsi
+++ b/arch/riscv/dts/jh7110.dtsi
@@ -163,6 +163,15 @@
 		};
 	};
 
+	timer {
+		compatible = "riscv,timer";
+		interrupts-extended = <&cpu0_intc 5>,
+				      <&cpu1_intc 5>,
+				      <&cpu2_intc 5>,
+				      <&cpu3_intc 5>,
+				      <&cpu4_intc 5>;
+	};
+
 	osc: oscillator {
 		compatible = "fixed-clock";
 		clock-output-names = "osc";