Keeping git happy about line endings

Not exactly sure why, but git shows diffs right after cloning
a fresh copy of the mbed repo. Definitely has something to do
with line endings, but not 100% sure why. Hopefully this will
fix things.

Author: Bogdan Marinescu

workspace_tools/export/__init__.py

@@ -31,7 +31,7 @@
     'gcc_arm': gccarm.GccArm,
     'ds5_5': ds5_5.DS5_5,
     'iar': iar.IAREmbeddedWorkbench,
-    'emblocks' : emblocks.IntermediateFile,
+    'emblocks' : emblocks.IntermediateFile,
     'coide' : coide.CoIDE,
     'kds' : kds.KDS,
 }

workspace_tools/export_test.py

@@ -76,21 +76,21 @@ def test_export(toolchain, target, expected_error=None):
     setup_test_user_prj()
 
     for toolchain, target in [
-            ('emblocks', 'LPC1768'),
-            ('emblocks', 'LPC1549'),
-            ('emblocks', 'LPC1114'),
-            ('emblocks', 'LPC11U35_401'),
-            ('emblocks', 'LPC11U35_501'),
-            ('emblocks', 'LPCCAPPUCCINO'),
-            ('emblocks', 'LPC2368'),
-            ('emblocks', 'STM32F407'),
-            ('emblocks', 'DISCO_F100RB'),
-            ('emblocks', 'DISCO_F051R8'),
-            ('emblocks', 'DISCO_F407VG'),
-            ('emblocks', 'DISCO_F303VC'),
-            ('emblocks', 'NRF51822'),
-            ('emblocks', 'NUCLEO_F401RE'),
-            ('emblocks', 'NUCLEO_F411RE'),
+            ('emblocks', 'LPC1768'),
+            ('emblocks', 'LPC1549'),
+            ('emblocks', 'LPC1114'),
+            ('emblocks', 'LPC11U35_401'),
+            ('emblocks', 'LPC11U35_501'),
+            ('emblocks', 'LPCCAPPUCCINO'),
+            ('emblocks', 'LPC2368'),
+            ('emblocks', 'STM32F407'),
+            ('emblocks', 'DISCO_F100RB'),
+            ('emblocks', 'DISCO_F051R8'),
+            ('emblocks', 'DISCO_F407VG'),
+            ('emblocks', 'DISCO_F303VC'),
+            ('emblocks', 'NRF51822'),
+            ('emblocks', 'NUCLEO_F401RE'),
+            ('emblocks', 'NUCLEO_F411RE'),
 
             ('coide', 'KL05Z'),
             ('coide', 'KL25Z'),