riscv: ae350: Use fdtdec_get_addr_size_auto_noparent to parse smc reg

Use fdtdec_get_addr_size_auto_noparent to read the "reg" property
instead of fdtdec_get_addr. This will increase the compatibility
of dtb parsing.

Signed-off-by: Rick Chen <rick@andestech.com>
Acked-by: Leo Liang <ycliang@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Leo Liang <ycliang@andestech.com>
diff --git a/board/AndesTech/ax25-ae350/ax25-ae350.c b/board/AndesTech/ax25-ae350/ax25-ae350.c
index add0d56..59a43e4 100644
--- a/board/AndesTech/ax25-ae350/ax25-ae350.c
+++ b/board/AndesTech/ax25-ae350/ax25-ae350.c
@@ -71,7 +71,8 @@
 	if (node < 0)
 		return -FDT_ERR_NOTFOUND;
 
-	addr = fdtdec_get_addr(blob, node, "reg");
+	addr = fdtdec_get_addr_size_auto_noparent(blob, node,
+		"reg", 0, NULL, false);
 
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;