binman: test: Rename 172_fit_fdt.dts to 170_fit_fdt.dts

Currently there are 2 binman test cases using the same 172 number.
It seems that 172_fit_fdt.dts was originally named as 170_, but
commit c0f1ebe9c1 ("binman: Allow selecting default FIT configuration")
changed its name to 172_ for no reason. Let's change it back.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

tools/binman/ftest.py

@@ -3826,7 +3826,7 @@ class TestFunctional(unittest.TestCase):
             'default-dt': 'test-fdt2',
         }
         data = self._DoReadFileDtb(
-            '172_fit_fdt.dts',
+            '170_fit_fdt.dts',
             entry_args=entry_args,
             extra_indirs=[os.path.join(self._indir, TEST_FDT_SUBDIR)])[0]
         self.assertEqual(U_BOOT_NODTB_DATA, data[-len(U_BOOT_NODTB_DATA):])
@@ -3848,7 +3848,7 @@ class TestFunctional(unittest.TestCase):
     def testFitFdtMissingList(self):
         """Test handling of a missing 'of-list' entry arg"""
         with self.assertRaises(ValueError) as e:
-            self._DoReadFile('172_fit_fdt.dts')
+            self._DoReadFile('170_fit_fdt.dts')
         self.assertIn("Generator node requires 'of-list' entry argument",
                       str(e.exception))
 
@@ -3871,7 +3871,7 @@ class TestFunctional(unittest.TestCase):
         entry_args = {
             'of-list': '',
         }
-        data = self._DoReadFileDtb('172_fit_fdt.dts', entry_args=entry_args)[0]
+        data = self._DoReadFileDtb('170_fit_fdt.dts', entry_args=entry_args)[0]
 
     def testFitFdtMissing(self):
         """Test handling of a missing 'default-dt' entry arg"""
@@ -3880,7 +3880,7 @@ class TestFunctional(unittest.TestCase):
         }
         with self.assertRaises(ValueError) as e:
             self._DoReadFileDtb(
-                '172_fit_fdt.dts',
+                '170_fit_fdt.dts',
                 entry_args=entry_args,
                 extra_indirs=[os.path.join(self._indir, TEST_FDT_SUBDIR)])[0]
         self.assertIn("Generated 'default' node requires default-dt entry argument",
@@ -3894,7 +3894,7 @@ class TestFunctional(unittest.TestCase):
         }
         with self.assertRaises(ValueError) as e:
             self._DoReadFileDtb(
-                '172_fit_fdt.dts',
+                '170_fit_fdt.dts',
                 entry_args=entry_args,
                 extra_indirs=[os.path.join(self._indir, TEST_FDT_SUBDIR)])[0]
         self.assertIn("default-dt entry argument 'test-fdt3' not found in fdt list: test-fdt1, test-fdt2",