test: Pass the test state to cmd_ut_category()

Update this function to access a unit-test state, so that the caller can
collect results from running multiple suites.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/test/suites.h b/include/test/suites.h
index 20e6a2a..774dd89 100644
--- a/include/test/suites.h
+++ b/include/test/suites.h
@@ -9,14 +9,18 @@
 
 struct cmd_tbl;
 struct unit_test;
+struct unit_test_state;
 
 /* 'command' functions normally called do_xxx where xxx is the command name */
-typedef int (*ut_cmd_func)(struct cmd_tbl *cmd, int flags, int argc,
-			   char *const argv[]);
+typedef int (*ut_cmd_func)(struct unit_test_state *uts, struct cmd_tbl *cmd,
+			   int flags, int argc, char *const argv[]);
 
 /**
  * cmd_ut_category() - Run a category of unit tests
  *
+ * @uts: Unit-test state, which must be ready for use, i.e. ut_init_state()
+ *	has been called. The caller is responsible for calling
+ *	ut_uninit_state() after this function returns
  * @name:	Category name
  * @prefix:	Prefix of test name
  * @tests:	List of tests to run
@@ -26,14 +30,14 @@
  * @argv:	Arguments: argv[1] is the test to run (if @argc >= 2)
  * Return: 0 if OK, CMD_RET_FAILURE on failure
  */
-int cmd_ut_category(const char *name, const char *prefix,
-		    struct unit_test *tests, int n_ents,
+int cmd_ut_category(struct unit_test_state *uts, const char *name,
+		    const char *prefix, struct unit_test *tests, int n_ents,
 		    int argc, char *const argv[]);
 
-int do_ut_bootstd(struct cmd_tbl *cmdtp, int flag, int argc,
-		  char *const argv[]);
+int do_ut_bootstd(struct unit_test_state *uts, struct cmd_tbl *cmdtp, int flag,
+		  int argc, char *const argv[]);
 int do_ut_optee(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
-int do_ut_overlay(struct cmd_tbl *cmdtp, int flag, int argc,
-		  char *const argv[]);
+int do_ut_overlay(struct unit_test_state *uts, struct cmd_tbl *cmdtp, int flag,
+		  int argc, char *const argv[]);
 
 #endif /* __TEST_SUITES_H__ */