Correct mbed-os patch version to 0 for rc2.

Author: adbridge

mbed.h

@@ -16,13 +16,13 @@
 #ifndef MBED_H
 #define MBED_H
 
-#define MBED_LIBRARY_VERSION -1
+#define MBED_LIBRARY_VERSION 0
 
 #if MBED_CONF_RTOS_PRESENT
 // RTOS present, this is valid only for mbed OS 5
 #define MBED_MAJOR_VERSION 5
 #define MBED_MINOR_VERSION 5
-#define MBED_PATCH_VERSION -1
+#define MBED_PATCH_VERSION 0
 
 #else
 // mbed 2
@@ -38,10 +38,6 @@
 #include "rtos/rtos.h"
 #endif
 
-#if MBED_CONF_RTOS_PRESENT
-#include "rtos/rtos.h"
-#endif
-
 #if MBED_CONF_NSAPI_PRESENT
 #include "netsocket/nsapi.h"
 #include "netsocket/nsapi_ppp.h"