Apply suggestions from code review

Co-Authored-By: Mat M. <mathew1800@gmail.com>

src/core/hle/kernel/kernel.cpp

@@ -24,7 +24,8 @@ KernelSystem::KernelSystem(Memory::MemorySystem& memory, Core::Timing& timing,
                            u32 num_cores, u8 n3ds_mode)
     : memory(memory), timing(timing),
       prepare_reschedule_callback(std::move(prepare_reschedule_callback)) {
-    for (auto i = 0; i < memory_regions.size(); i++) {
+std::generate(memory_regions.begin(), memory_regions.end(),
+              [] { return std::make_shared<MemoryRegionInfo>(); });
         memory_regions[i] = std::make_shared<MemoryRegionInfo>();
     }
     MemoryInit(system_mode, n3ds_mode);