add a .clang-format file (#9154)

src/concurrency/BinarySemaphorePosix.cpp

@@ -3,8 +3,7 @@
 
 #ifndef HAS_FREE_RTOS
 
-namespace concurrency
-{
+namespace concurrency {
 
 BinarySemaphorePosix::BinarySemaphorePosix() {}
 
@@ -13,10 +12,9 @@ BinarySemaphorePosix::~BinarySemaphorePosix() {}
 /**
  * Returns false if we timed out
  */
-bool BinarySemaphorePosix::take(uint32_t msec)
-{
-    delay(msec); // FIXME
-    return false;
+bool BinarySemaphorePosix::take(uint32_t msec) {
+  delay(msec); // FIXME
+  return false;
 }
 
 void BinarySemaphorePosix::give() {}