QSPI: fix memset header file missing

0xc0170 · maciejbocianski · commit 41453169a061 · 2018-08-22T15:00:17.000+02:00
diff --git a/drivers/QSPI.cpp b/drivers/QSPI.cpp
@@ -16,6 +16,7 @@
 
 #include "drivers/QSPI.h"
 #include "platform/mbed_critical.h"
+#include <string.h>
 
 #if DEVICE_QSPI
 
