Renaming dtbo_node to dtbo_label

crosvm expects dtbo_label to find nodes's full path from __symbols__,
so we'd better to match naming.

Bug: 304643002
Test: TH
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:2804273713d743f0b0b6986318f72c8a1f86ee20)
Merged-In: Iee3792f1203278d6dd261750d0dc318662783a11
Change-Id: Iee3792f1203278d6dd261750d0dc318662783a11
diff --git a/virtualizationmanager/src/crosvm.rs b/virtualizationmanager/src/crosvm.rs
index b053d99..bb6066f 100644
--- a/virtualizationmanager/src/crosvm.rs
+++ b/virtualizationmanager/src/crosvm.rs
@@ -128,7 +128,7 @@
 #[derive(Clone, Debug)]
 pub struct VfioDevice {
     pub sysfs_path: PathBuf,
-    pub dtbo_node: String,
+    pub dtbo_label: String,
 }
 
 /// The lifecycle state which the payload in the VM has reported itself to be in.
@@ -716,7 +716,7 @@
     }
 
     if let Some(p) = path.to_str() {
-        Ok(format!("--vfio={p},iommu=viommu,dt-symbol={0}", device.dtbo_node))
+        Ok(format!("--vfio={p},iommu=viommu,dt-symbol={0}", device.dtbo_label))
     } else {
         bail!("invalid path {path:?}");
     }