Added mutex acquire() with timeout

include/sta/mutex.hpp

@@ -20,6 +20,10 @@ namespace sta
          * @brief Block until mutex has been acquired.
          */
         virtual void acquire() = 0;
+        /**
+         * @brief Block until mutex has been acquired.
+         */
+        virtual void acquire(uint32_t timeout) = 0;
         /**
          * @brief Release mutex.
          */

src/mutex.cpp

@@ -10,6 +10,7 @@ namespace sta
     {
     public:
         void acquire() override {}
+        void acquire(uint32_t timeout) override {}
         void release() override {}
     };