[BH-1801] Fix incorrect calculation of requested CPU frequency

Sometimes when the frequency is locked, e.g. at 132 MHz, the algorithm
still calculated a lower frequency, e.g. 66 MHz.

module-sys/SystemManager/cpu/AlgorithmFactory.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
+// Copyright (c) 2017-2023, Mudita Sp. z.o.o. All rights reserved.
 // For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
 
 #include "AlgorithmFactory.hpp"
@@ -32,7 +32,7 @@ namespace sys::cpu
     }
 
     AlgorithmResult AlgorithmFactory::calculate(const std::list<sys::cpu::AlgoID> &algorithms,
-                                                cpu::AlgorithmData &data,
+                                                const cpu::AlgorithmData &data,
                                                 AlgoID *used)
     {
         for (auto id : algorithms) {