board: pm9263: fix some typos in comments

Fix comment typos

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h
index 7b02875..e825270 100644
--- a/include/configs/pm9263.h
+++ b/include/configs/pm9263.h
@@ -5,7 +5,7 @@
  * Lead Tech Design <www.leadtechdesign.com>
  * Ilko Iliev <www.ronetix.at>
  *
- * Configuation settings for the RONETIX PM9263 board.
+ * Configuration settings for the RONETIX PM9263 board.
  */
 
 #ifndef __CONFIG_H