test: Fix inpected typo in upl test

Fix a typo in the test comment.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/py/tests/test_upl.py b/test/py/tests/test_upl.py
index 3164bda..90125c4 100644
--- a/test/py/tests/test_upl.py
+++ b/test/py/tests/test_upl.py
@@ -17,7 +17,7 @@
     proper and runs a test to check that the parameters are correct.
 
     The entire FIT is loaded into memory in SPL (in upl_load_from_image()) so
-    that it can be inpected in upl_test_info_norun
+    that it can be inspected in upl_test_info_norun
     """
     cons = u_boot_console
     ram = os.path.join(cons.config.build_dir, 'ram.bin')