mbed library sources. Supersedes mbed-src. Edited target satm32f446 for user USART3 pins

Dependents:   IGLOO_board

Fork of mbed-dev by mbed official

Revision:
188:3f10722804f9
Parent:
186:707f6e361f3e
--- a/platform/mbed_error_hist.c	Tue Jul 24 16:00:55 2018 +0000
+++ b/platform/mbed_error_hist.c	Mon Jul 30 12:31:10 2018 +0000
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 #include <stdlib.h>
+#include <string.h>
 #include <stdarg.h>
 #include "device.h"
 #include "platform/mbed_error.h"