IOS: Allow for heterogenous name lookup

Allows lookups to be done with std::string_view or any other string
type. This allows for non-allocating strings to be used with the name
lookup without needing to construct a std::string.

Source/Core/Core/IOS/IOS.cpp

@@ -505,14 +505,14 @@ s32 Kernel::GetFreeDeviceID()
   return -1;
 }
 
-std::shared_ptr<Device::Device> Kernel::GetDeviceByName(const std::string& device_name)
+std::shared_ptr<Device::Device> Kernel::GetDeviceByName(std::string_view device_name)
 {
   std::lock_guard lock(m_device_map_mutex);
   const auto iterator = m_device_map.find(device_name);
   return iterator != m_device_map.end() ? iterator->second : nullptr;
 }
 
-std::shared_ptr<Device::Device> EmulationKernel::GetDeviceByName(const std::string& device_name)
+std::shared_ptr<Device::Device> EmulationKernel::GetDeviceByName(std::string_view device_name)
 {
   return Kernel::GetDeviceByName(device_name);
 }