Make execload respect the static ram start

src/main.rs

@@ -30,7 +30,7 @@ fn main() -> Result<()> {
         bail!("Wrong number of arguments");
     }
 
-    let entry_point = execload::load(&args[1], buf, 0x8000_0000)?;
+    let entry_point = execload::load(&args[1], buf)?;
 
     let mut mmio_root = MmioRoot::default();
     mmio_root.insert(0, Arc::new(DbgOut));