replaced gtest + mockme with CPPUtest + subhook

Part 1

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

@@ -0,0 +1,34 @@
+/*
+ * cmsis.h
+ *
+ *  Created on: Nov 22, 2019
+ *      Author: abody
+ */
+
+#ifndef PLATFORM_CMSIS_H_
+#define PLATFORM_CMSIS_H_
+#include <stddef.h>
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __IO volatile
+#define SET_BIT(REG, BIT)     ((REG) |= (BIT))
+#define CLEAR_BIT(REG, BIT)   ((REG) &= ~(BIT))
+#define READ_BIT(REG, BIT)    ((REG) & (BIT))
+#define CLEAR_REG(REG)        ((REG) = (0x0))
+#define WRITE_REG(REG, VAL)   ((REG) = (VAL))
+#define READ_REG(REG)         ((REG))
+#define MODIFY_REG(REG, CLEARMASK, SETMASK)  WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK)))
+
+void __disable_irq();
+uint32_t __get_PRIMASK();
+void __set_PRIMASK(uint32_t priMask);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PLATFORM_CMSIS_H_ */