add log

Author: Josen-B

modules/axhal/src/dtb.rs

@@ -7,6 +7,7 @@ static BOOTARGS_STR: LazyInit<heapless::String<256>> = LazyInit::new();
 
 pub fn bootargs_message() -> Option<&'static str> {
     let fdt_addr = crate::get_bootarg();
+    info!("fdt_addr: {:#x}", fdt_addr);
 
     if fdt_addr == 0 {
         return None;