of: unittest: Fix EXPECT for parse_phandle_with_args_map() test

Commit 12e17243 ("of: base: improve error msg in
of_phandle_iterator_next()") added printing of the phandle value on
error, but failed to update the unittest.

Fixes: 12e17243 ("of: base: improve error msg in of_phandle_iterator_next()")
Cc: stable@vger.kernel.org
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230801-dt-changeset-fixes-v3-1-5f0410e007dd@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>

drivers/of/unittest.c

@@ -664,12 +664,12 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
 	memset(&args, 0, sizeof(args));
 
 	EXPECT_BEGIN(KERN_INFO,
-		     "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
+		     "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle 12345678");
 
 	rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-phandle",
 					    "phandle", 0, &args);
 	EXPECT_END(KERN_INFO,
-		   "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
+		   "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle 12345678");
 
 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);