replaced gtest + mockme with CPPUtest + subhook

Part 1

platforms/platform-test-f4-ll/platform/cmsis.c

@@ -0,0 +1,12 @@
+/*
+ * cmsis.c
+ *
+ *  Created on: Nov 22, 2019
+ *      Author: abody
+ */
+#include "cmsis.h"
+#include <stdlib.h>
+
+void __disable_irq)() {}
+uint32_t __get_PRIMASK() { return 0; }
+void __set_PRIMASK(uint32_t primask) {}