Buildified the world again.

bzl files were pretty off.

Change-Id: Ief87d7c0a08c6706c8c6c573afef95a6d51968e7
diff --git a/motors/macros.bzl b/motors/macros.bzl
index 3b1d379..4f3cf17 100644
--- a/motors/macros.bzl
+++ b/motors/macros.bzl
@@ -1,10 +1,10 @@
-def hex_from_elf(name, restricted_to=None):
-  native.genrule(
-    name = name,
-    srcs = [ '%s.elf' % name ],
-    outs = [ '%s.hex' % name ],
-    cmd = '$(OBJCOPY) -O ihex $< $@',
-    executable = True,
-    output_to_bindir = True,
-    restricted_to = restricted_to,
-  )
+def hex_from_elf(name, restricted_to = None):
+    native.genrule(
+        name = name,
+        srcs = ["%s.elf" % name],
+        outs = ["%s.hex" % name],
+        cmd = "$(OBJCOPY) -O ihex $< $@",
+        executable = True,
+        output_to_bindir = True,
+        restricted_to = restricted_to,
+    )