global_data: log: Reorder and shrink fields

Some of the logging fields are larger than they need to be. Shrink them
and adjust the ordering to improve alignment.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/log/log_test.c b/test/log/log_test.c
index 7ef8994..18f8a2d 100644
--- a/test/log/log_test.c
+++ b/test/log/log_test.c
@@ -379,9 +379,9 @@
 
 	ut_assertok(console_record_reset_enable());
 	log_run();
-	check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE,
-				       LOGL_WARNING + 1,
-				       min(gd->default_log_level, LOGL_INFO));
+	check_log_entries_flags_levels(
+		EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE,
+		LOGL_WARNING + 1, min((int)gd->default_log_level, LOGL_INFO));
 
 	ut_assertok(log_remove_filter("console", filt1));
 	ut_assertok(log_remove_filter("console", filt2));