dm: Rename DM test flags to make them more generic

The test flags used by driver model are currently not available to other
tests. Rather than creating two sets of flags, make these flags generic
by changing the DM_ prefix to UT_ and moving them to the test.h header.

This will allow adding other test flags without confusion.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/rtc.c b/test/dm/rtc.c
index 42a9195..8ab997c 100644
--- a/test/dm/rtc.c
+++ b/test/dm/rtc.c
@@ -28,7 +28,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 static void show_time(const char *msg, struct rtc_time *time)
 {
@@ -131,7 +131,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_set_get, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_set_get, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 static int dm_test_rtc_read_write(struct unit_test_state *uts)
 {
@@ -175,7 +175,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_read_write, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_read_write, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 /* Test 'rtc list' command */
 static int dm_test_rtc_cmd_list(struct unit_test_state *uts)
@@ -189,7 +189,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_cmd_list, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 /* Test 'rtc read' and 'rtc write' commands */
 static int dm_test_rtc_cmd_rw(struct unit_test_state *uts)
@@ -232,7 +232,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_cmd_rw, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_cmd_rw, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 /* Reset the time */
 static int dm_test_rtc_reset(struct unit_test_state *uts)
@@ -258,7 +258,7 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_reset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_reset, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 
 /* Check that two RTC devices can be used independently */
 static int dm_test_rtc_dual(struct unit_test_state *uts)
@@ -290,4 +290,4 @@
 
 	return 0;
 }
-DM_TEST(dm_test_rtc_dual, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_rtc_dual, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);