hw/loongarch: Fix setprop_sized method in fdt rtc node.

Fix setprop_sized method in fdt rtc node.
Signed-off-by: NXiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Reviewed-by: NSong Gao <gaosong@loongson.cn>
Message-Id: <20221116040300.3459818-1-yangxiaojuan@loongson.cn>
Signed-off-by: NSong Gao <gaosong@loongson.cn>

hw/loongarch/virt.c

@@ -53,7 +53,7 @@ static void fdt_add_rtc_node(LoongArchMachineState *lams)
     nodename = g_strdup_printf("/rtc@%" PRIx64, base);
     qemu_fdt_add_subnode(ms->fdt, nodename);
     qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", "loongson,ls7a-rtc");
-    qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 0x0, base, size);
+    qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 2, base, 2, size);
     g_free(nodename);
 }