Fix 'notes' typos

s/notes/nodes

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/lib/Kconfig b/lib/Kconfig
index 8163617..d73052d 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -185,7 +185,7 @@
 	help
 	  This enables the FDT library (libfdt). It provides functions for
 	  accessing binary device tree images in memory, such as adding and
-	  removing notes and properties, scanning through the tree and finding
+	  removing nodes and properties, scanning through the tree and finding
 	  particular compatible nodes. The library operates on a flattened
 	  version of the device tree.
 
@@ -200,7 +200,7 @@
 	help
 	  This enables the FDT library (libfdt). It provides functions for
 	  accessing binary device tree images in memory, such as adding and
-	  removing notes and properties, scanning through the tree and finding
+	  removing nodes and properties, scanning through the tree and finding
 	  particular compatible nodes. The library operates on a flattened
 	  version of the device tree.