Whitespace clean up

tools/toolchains/arm.py

@@ -337,7 +337,6 @@ class ARM(mbedToolchain):
         write(handle, "RESOLVE %s AS %s\n" % (source, sync))
         return "--edit=%s" % filename
 
-
 class ARM_STD(ARM):
 
     OFFICIALLY_SUPPORTED = True
@@ -567,6 +566,7 @@ class ARMC6(ARM_STD):
     def get_compile_options(self, defines, includes, for_asm=False):
 
         opts = ['-D%s' % d for d in defines]
+
         if self.RESPONSE_FILES:
             opts += ['@{}'.format(self.get_inc_file(includes))]
         else: