all: Format code to add space after C++-style comment start.

Note: the uncrustify configuration is explicitly set to 'add' instead of
'force' in order not to alter the comments which use extra spaces after //
as a means of indenting text for clarity.

ports/esp32/modmachine.h

@@ -4,7 +4,7 @@
 #include "py/obj.h"
 
 typedef enum {
-    //MACHINE_WAKE_IDLE=0x01,
+    // MACHINE_WAKE_IDLE=0x01,
     MACHINE_WAKE_SLEEP=0x02,
     MACHINE_WAKE_DEEPSLEEP=0x04
 } wake_type_t;