Run clang-format on the entire repo

This patch clang-formats the entire repo. Third-party code is
excluded.

I needed to fix up the .clang-format file so that all the header
includes are ordered properly. I could have sworn that it used to work
without the extra modification, but I guess not.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I64bb9f2c795401393f9dfe2fefc4f04cb36b52f6
diff --git a/motors/peripheral/uart.h b/motors/peripheral/uart.h
index d51bcfe..bfd630b 100644
--- a/motors/peripheral/uart.h
+++ b/motors/peripheral/uart.h
@@ -2,6 +2,7 @@
 #define MOTORS_PERIPHERAL_UART_H_
 
 #include "absl/types/span.h"
+
 #include "aos/containers/sized_array.h"
 #include "motors/core/kinetis.h"
 #include "motors/peripheral/uart_buffer.h"
@@ -27,9 +28,7 @@
   }
 
   // Returns all the data which is currently available.
-  aos::SizedArray<char, 4> Read(const DisableInterrupts &) {
-    return DoRead();
-  }
+  aos::SizedArray<char, 4> Read(const DisableInterrupts &) { return DoRead(); }
 
   bool SpaceAvailable() const { return module_->S1 & M_UART_TDRE; }
   // Only call this if SpaceAvailable() has just returned true.