dts: riscv: aesc: Add reg-names to machine timer node

Commit 42fb906 makes it mandatory to
now have reg-names property on the riscv,machine-timer node. This DTS
file was somehow missed as part of the refactoring.

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

dts/riscv/aesc/nitrogen.dtsi

@@ -41,6 +41,7 @@
 		mtimer: machine-timer@f0020000 {
 			compatible = "riscv,machine-timer";
 			reg = <0xf0020000 0x8 0xf0020008 0x8>;
+			reg-names = "mtime", "mtimecmp";
 			interrupts-extended = <&hlic 7>;
 			status = "okay";
 		};